31322232342401 has 64 divisors (see below), whose sum is σ = 43191274291200. Its totient is φ = 21928334688000.

The previous prime is 31322232342397. The next prime is 31322232342407. The reversal of 31322232342401 is 10424323222313.

It is not a de Polignac number, because 31322232342401 - 2² = 31322232342397 is a prime.

It is a super-3 number, since 3×31322232342401³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (31322232342407) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3339440 + ... + 8590478.

It is an arithmetic number, because the mean of its divisors is an integer number (674863660800).

Almost surely, 2^{31322232342401} is an apocalyptic number.

It is an amenable number.

31322232342401 is a deficient number, since it is larger than the sum of its proper divisors (11869041948799).

31322232342401 is a wasteful number, since it uses less digits than its factorization.

31322232342401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5251230.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 31322232342401 its reverse (10424323222313), we get a palindrome (41746555564714).

It can be divided in two parts, 313222 and 32342401, that added together give a palindrome (32655623).

The spelling of 31322232342401 in words is "thirty-one trillion, three hundred twenty-two billion, two hundred thirty-two million, three hundred forty-two thousand, four hundred one".