31100132220032 has 32 divisors (see below), whose sum is σ = 61957615938480. Its totient is φ = 15549985474816.

The previous prime is 31100132220023. The next prime is 31100132220067. The reversal of 31100132220032 is 23002223100113.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 31100132219986 and 31100132220013.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29912303 + ... + 30934545.

Almost surely, 2^{31100132220032} is an apocalyptic number.

31100132220032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31100132220032 is a deficient number, since it is larger than the sum of its proper divisors (30857483718448).

31100132220032 is a wasteful number, since it uses less digits than its factorization.

31100132220032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259940 (or 1259928 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 31100132220032 its reverse (23002223100113), we get a palindrome (54102355320145).

The spelling of 31100132220032 in words is "thirty-one trillion, one hundred billion, one hundred thirty-two million, two hundred twenty thousand, thirty-two".