32631321128 has 32 divisors (see below), whose sum is σ = 70279228800. Its totient is φ = 13913858112.

The previous prime is 32631321113. The next prime is 32631321131. The reversal of 32631321128 is 82112313623.

It is a junction number, because it is equal to n+sod(n) for n = 32631321094 and 32631321103.

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, 1467908 + ... + 1489971.

It is an arithmetic number, because the mean of its divisors is an integer number (2196225900).

Almost surely, 2^32631321128 is an apocalyptic number.

It is an amenable number.

32631321128 is an abundant number, since it is smaller than the sum of its proper divisors (37647907672).

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

32631321128 is a wasteful number, since it uses less digits than its factorization.

32631321128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2958089 (or 2958085 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The spelling of 32631321128 in words is "thirty-two billion, six hundred thirty-one million, three hundred twenty-one thousand, one hundred twenty-eight".