331456042 has 8 divisors (see below), whose sum is σ = 499165632. Its totient is φ = 165067500.

The previous prime is 331456033. The next prime is 331456087. The reversal of 331456042 is 240654133.

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

It is a self number, because there is not a number n which added to its sum of digits gives 331456042.

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, 329634 + ... + 330637.

It is an arithmetic number, because the mean of its divisors is an integer number (62395704).

Almost surely, 2^331456042 is an apocalyptic number.

331456042 is a deficient number, since it is larger than the sum of its proper divisors (167709590).

331456042 is a wasteful number, since it uses less digits than its factorization.

331456042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660524.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 331456042 is about 18205.9342523255. The cubic root of 331456042 is about 692.0571820056.

The spelling of 331456042 in words is "three hundred thirty-one million, four hundred fifty-six thousand, forty-two".