331542345644 has 24 divisors (see below), whose sum is σ = 593747497728. Its totient is φ = 161900922960.

The previous prime is 331542345637. The next prime is 331542345647. The reversal of 331542345644 is 446543245133.

It is a junction number, because it is equal to n+sod(n) for n = 331542345595 and 331542345604.

It is not an unprimeable number, because it can be changed into a prime (331542345647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1884689 + ... + 2053079.

It is an arithmetic number, because the mean of its divisors is an integer number (24739479072).

Almost surely, 2^331542345644 is an apocalyptic number.

It is an amenable number.

331542345644 is a deficient number, since it is larger than the sum of its proper divisors (262205152084).

331542345644 is a wasteful number, since it uses less digits than its factorization.

331542345644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179885 (or 179883 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 44.

The spelling of 331542345644 in words is "three hundred thirty-one billion, five hundred forty-two million, three hundred forty-five thousand, six hundred forty-four".