31103332001988 has 12 divisors (see below), whose sum is σ = 72574441338000. Its totient is φ = 10367777333992.

The previous prime is 31103332001947. The next prime is 31103332002007. The reversal of 31103332001988 is 88910023330113.

It is a tau number, because it is divible by the number of its divisors (12).

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, 1295972166738 + ... + 1295972166761.

It is an arithmetic number, because the mean of its divisors is an integer number (6047870111500).

Almost surely, 2^{31103332001988} is an apocalyptic number.

It is an amenable number.

31103332001988 is an abundant number, since it is smaller than the sum of its proper divisors (41471109336012).

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

31103332001988 is a wasteful number, since it uses less digits than its factorization.

31103332001988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2591944333506 (or 2591944333504 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The spelling of 31103332001988 in words is "thirty-one trillion, one hundred three billion, three hundred thirty-two million, one thousand, nine hundred eighty-eight".