331149385402 has 8 divisors (see below), whose sum is σ = 541880812512. Its totient is φ = 150522447900.

The previous prime is 331149385331. The next prime is 331149385403. The reversal of 331149385402 is 204583941133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (331149385403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7526122374 + ... + 7526122417.

It is an arithmetic number, because the mean of its divisors is an integer number (67735101564).

Almost surely, 2^331149385402 is an apocalyptic number.

331149385402 is a deficient number, since it is larger than the sum of its proper divisors (210731427110).

331149385402 is a wasteful number, since it uses less digits than its factorization.

331149385402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15052244804.

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 331149385402 in words is "three hundred thirty-one billion, one hundred forty-nine million, three hundred eighty-five thousand, four hundred two".