22031232113311 has 8 divisors (see below), whose sum is σ = 22859750793344. Its totient is φ = 21210078044160.

The previous prime is 22031232113251. The next prime is 22031232113347. The reversal of 22031232113311 is 11331123213022.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22031232113311 is a prime.

It is a super-2 number, since 2×22031232113311² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22031232143311) 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, 1841146626 + ... + 1841158591.

It is an arithmetic number, because the mean of its divisors is an integer number (2857468849168).

Almost surely, 2^{22031232113311} is an apocalyptic number.

22031232113311 is a deficient number, since it is larger than the sum of its proper divisors (828518680033).

22031232113311 is a wasteful number, since it uses less digits than its factorization.

22031232113311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3682305441.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 22031232113311 its reverse (11331123213022), we get a palindrome (33362355326333).

The spelling of 22031232113311 in words is "twenty-two trillion, thirty-one billion, two hundred thirty-two million, one hundred thirteen thousand, three hundred eleven".