31102011130332 has 24 divisors (see below), whose sum is σ = 76390904531200. Its totient is φ = 9821687725296.

The previous prime is 31102011130321. The next prime is 31102011130453. The reversal of 31102011130332 is 23303111020113.

It is a happy number.

It is a super-2 number, since 2×31102011130332² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31102011130299 and 31102011130308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68206164532 + ... + 68206164987.

Almost surely, 2^{31102011130332} is an apocalyptic number.

It is an amenable number.

31102011130332 is an abundant number, since it is smaller than the sum of its proper divisors (45288893400868).

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

31102011130332 is a wasteful number, since it uses less digits than its factorization.

31102011130332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136412329545 (or 136412329543 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 31102011130332 its reverse (23303111020113), we get a palindrome (54405122150445).

The spelling of 31102011130332 in words is "thirty-one trillion, one hundred two billion, eleven million, one hundred thirty thousand, three hundred thirty-two".