331144593052 has 48 divisors (see below), whose sum is σ = 713752053952. Its totient is φ = 130907197440.

The previous prime is 331144593049. The next prime is 331144593083. The reversal of 331144593052 is 250395441133.

It is a junction number, because it is equal to n+sod(n) for n = 331144592996 and 331144593014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173308 + ... + 832060.

Almost surely, 2^331144593052 is an apocalyptic number.

It is an amenable number.

331144593052 is an abundant number, since it is smaller than the sum of its proper divisors (382607460900).

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

331144593052 is a wasteful number, since it uses less digits than its factorization.

331144593052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660158 (or 660156 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 331144593052 in words is "three hundred thirty-one billion, one hundred forty-four million, five hundred ninety-three thousand, fifty-two".