931445197242 has 48 divisors (see below), whose sum is σ = 2167122890880. Its totient is φ = 266116499712.

The previous prime is 931445197223. The next prime is 931445197289. The reversal of 931445197242 is 242791544139.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9916623 + ... + 10010109.

It is an arithmetic number, because the mean of its divisors is an integer number (45148393560).

Almost surely, 2^931445197242 is an apocalyptic number.

931445197242 is an abundant number, since it is smaller than the sum of its proper divisors (1235677693638).

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

931445197242 is a wasteful number, since it uses less digits than its factorization.

931445197242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127395 (or 127388 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 51.

The spelling of 931445197242 in words is "nine hundred thirty-one billion, four hundred forty-five million, one hundred ninety-seven thousand, two hundred forty-two".