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31322340420102 = 234911934122721
BaseRepresentation
bin1110001111100110011001…
…11110010110101000000110
311002220101102202111010210000
413013303030332112220012
513101141123121420402
6150341141243342130
76411651536453664
oct707631476265006
9132811382433700
1031322340420102
119a86803660556
12361a590521946
1314628b7a69284
147a401b9abc34
15394b75172c1c
hex1c7cccf96a06

31322340420102 has 80 divisors (see below), whose sum is σ = 70272900903744. Its totient is φ = 10427743872000.

The previous prime is 31322340420101. The next prime is 31322340420121. The reversal of 31322340420102 is 20102404322313.

31322340420102 is a `hidden beast` number, since 3 + 1 + 3 + 2 + 234 + 0 + 420 + 1 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31322340420101) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1378552102 + ... + 1378574822.

Almost surely, 231322340420102 is an apocalyptic number.

31322340420102 is an abundant number, since it is smaller than the sum of its proper divisors (38950560483642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31322340420102 is a wasteful number, since it uses less digits than its factorization.

31322340420102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32987 (or 32978 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 31322340420102 its reverse (20102404322313), we get a palindrome (51424744742415).

The spelling of 31322340420102 in words is "thirty-one trillion, three hundred twenty-two billion, three hundred forty million, four hundred twenty thousand, one hundred two".

Divisors: 1 2 3 6 9 18 27 54 81 162 911 1822 2733 5466 8199 9341 16398 18682 22721 24597 28023 45442 49194 56046 68163 73791 84069 136326 147582 168138 204489 252207 408978 504414 613467 756621 1226934 1513242 1840401 3680802 8509651 17019302 20698831 25528953 41397662 51057906 62096493 76586859 124192986 153173718 186289479 212236861 229760577 372578958 424473722 459521154 558868437 636710583 689281731 1117736874 1273421166 1378563462 1676605311 1910131749 3353210622 3820263498 5730395247 11460790494 17191185741 34382371482 193347780371 386695560742 580043341113 1160086682226 1740130023339 3480260046678 5220390070017 10440780140034 15661170210051 31322340420102