31113311132232 has 96 divisors (see below), whose sum is σ = 96734958727680. Its totient is φ = 8849654127360.

The previous prime is 31113311132221. The next prime is 31113311132237. The reversal of 31113311132232 is 23223111331113.

31113311132232 is a `hidden beast` number, since 3 + 1 + 1 + 1 + 331 + 1 + 1 + 322 + 3 + 2 = 666.

It is a super-2 number, since 2×31113311132232² (a number of 28 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 31113311132196 and 31113311132205.

It is not an unprimeable number, because it can be changed into a prime (31113311132237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138301869 + ... + 138526652.

It is an arithmetic number, because the mean of its divisors is an integer number (1007655820080).

Almost surely, 2^{31113311132232} is an apocalyptic number.

It is an amenable number.

31113311132232 is an abundant number, since it is smaller than the sum of its proper divisors (65621647595448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31113311132232 is a wasteful number, since it uses less digits than its factorization.

31113311132232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276828763 (or 276828756 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

Adding to 31113311132232 its reverse (23223111331113), we get a palindrome (54336422463345).

The spelling of 31113311132232 in words is "thirty-one trillion, one hundred thirteen billion, three hundred eleven million, one hundred thirty-two thousand, two hundred thirty-two".