31132031133100 has 36 divisors (see below), whose sum is σ = 67558166858224. Its totient is φ = 12452506591680.

The previous prime is 31132031133031. The next prime is 31132031133121. The reversal of 31132031133100 is 133113023113.

It is a super-2 number, since 2×31132031133100² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 290497 + ... + 7896103.

Almost surely, 2^{31132031133100} is an apocalyptic number.

It is an amenable number.

31132031133100 is an abundant number, since it is smaller than the sum of its proper divisors (36426135725124).

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

31132031133100 is a wasteful number, since it uses less digits than its factorization.

31132031133100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7646554 (or 7646547 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 31132031133100 its reverse (133113023113), we get a palindrome (31265144156213).

The spelling of 31132031133100 in words is "thirty-one trillion, one hundred thirty-two billion, thirty-one million, one hundred thirty-three thousand, one hundred".