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22113020031 = 310517013327
BaseRepresentation
bin10100100110000010…
…011110100001111111
32010002002112210210220
4110212002132201333
5330241413120111
614054130432423
71411660366104
oct244602364177
963062483726
1022113020031
119418250273
124351732713
1321153a3b4b
1410daba0aab
15896505e06
hex52609e87f

22113020031 has 8 divisors (see below), whose sum is σ = 29512084224. Its totient is φ = 14727984600.

The previous prime is 22113020023. The next prime is 22113020051. The reversal of 22113020031 is 13002031122.

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

It is not a de Polignac number, because 22113020031 - 23 = 22113020023 is a prime.

It is a super-2 number, since 2×221130200312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22113020051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3503511 + ... + 3509816.

It is an arithmetic number, because the mean of its divisors is an integer number (3689010528).

Almost surely, 222113020031 is an apocalyptic number.

22113020031 is a deficient number, since it is larger than the sum of its proper divisors (7399064193).

22113020031 is a wasteful number, since it uses less digits than its factorization.

22113020031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7014381.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 22113020031 its reverse (13002031122), we get a palindrome (35115051153).

The spelling of 22113020031 in words is "twenty-two billion, one hundred thirteen million, twenty thousand, thirty-one".

Divisors: 1 3 1051 3153 7013327 21039981 7371006677 22113020031