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31103212201102 = 231501664712921
BaseRepresentation
bin1110001001001110001111…
…11010100010010010001110
311002010102211100002020202001
413010213013322202102032
513034043334310413402
6150052341325222514
76360063410361436
oct704470772422216
9132112740066661
1031103212201102
119a018864792a8
1235a4016a01a3a
131448035868722
147975912d72c6
1538e0ec788187
hex1c49c7ea248e

31103212201102 has 8 divisors (see below), whose sum is σ = 48159812440512. Its totient is φ = 15049941387600.

The previous prime is 31103212201079. The next prime is 31103212201183. The reversal of 31103212201102 is 20110221230113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 31103212201102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250832356399 + ... + 250832356522.

It is an arithmetic number, because the mean of its divisors is an integer number (6019976555064).

Almost surely, 231103212201102 is an apocalyptic number.

31103212201102 is a deficient number, since it is larger than the sum of its proper divisors (17056600239410).

31103212201102 is a wasteful number, since it uses less digits than its factorization.

31103212201102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501664712954.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 31103212201102 its reverse (20110221230113), we get a palindrome (51213433431215).

The spelling of 31103212201102 in words is "thirty-one trillion, one hundred three billion, two hundred twelve million, two hundred one thousand, one hundred two".

Divisors: 1 2 31 62 501664712921 1003329425842 15551606100551 31103212201102