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31000332102223 = 112818212009293
BaseRepresentation
bin1110000110001110100111…
…10010000110101001001111
311001202121021110000201120111
413003013103302012221033
513030402140004232343
6145533204515500451
76346462062100261
oct703072362065117
9131677243021514
1031000332102223
1199721923272a0
1235880a45b7727
13143b41b465683
147925d1961b31
1538b5ca790c9d
hex1c31d3c86a4f

31000332102223 has 4 divisors (see below), whose sum is σ = 33818544111528. Its totient is φ = 28182120092920.

The previous prime is 31000332102197. The next prime is 31000332102241. The reversal of 31000332102223 is 32220123300013.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31000332102223 - 25 = 31000332102191 is a prime.

It is a super-2 number, since 2×310003321022232 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31000332102194 and 31000332102203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31000332102263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1409106004636 + ... + 1409106004657.

It is an arithmetic number, because the mean of its divisors is an integer number (8454636027882).

Almost surely, 231000332102223 is an apocalyptic number.

31000332102223 is a deficient number, since it is larger than the sum of its proper divisors (2818212009305).

31000332102223 is a wasteful number, since it uses less digits than its factorization.

31000332102223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2818212009304.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 31000332102223 its reverse (32220123300013), we get a palindrome (63220455402236).

The spelling of 31000332102223 in words is "thirty-one trillion, three hundred thirty-two million, one hundred two thousand, two hundred twenty-three".

Divisors: 1 11 2818212009293 31000332102223