31113303132 has 48 divisors (see below), whose sum is σ = 75050791200. Its totient is φ = 10025303040.

The previous prime is 31113303113. The next prime is 31113303203. The reversal of 31113303132 is 23130331113.

It is a junction number, because it is equal to n+sod(n) for n = 31113303099 and 31113303108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236457 + ... + 343712.

It is an arithmetic number, because the mean of its divisors is an integer number (1563558150).

Almost surely, 2^31113303132 is an apocalyptic number.

It is an amenable number.

31113303132 is an abundant number, since it is smaller than the sum of its proper divisors (43937488068).

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

31113303132 is a wasteful number, since it uses less digits than its factorization.

31113303132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580326 (or 580324 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 31113303132 its reverse (23130331113), we get a palindrome (54243634245).

The spelling of 31113303132 in words is "thirty-one billion, one hundred thirteen million, three hundred three thousand, one hundred thirty-two".