331432873 has 4 divisors (see below), whose sum is σ = 342124288. Its totient is φ = 320741460.

The previous prime is 331432859. The next prime is 331432877. The reversal of 331432873 is 378234133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331432873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331432877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5345661 + ... + 5345722.

It is an arithmetic number, because the mean of its divisors is an integer number (85531072).

Almost surely, 2^331432873 is an apocalyptic number.

It is an amenable number.

331432873 is a deficient number, since it is larger than the sum of its proper divisors (10691415).

331432873 is a wasteful number, since it uses less digits than its factorization.

331432873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10691414.

The product of its digits is 36288, while the sum is 34.

The square root of 331432873 is about 18205.2979376884. The cubic root of 331432873 is about 692.0410565425.

The spelling of 331432873 in words is "three hundred thirty-one million, four hundred thirty-two thousand, eight hundred seventy-three".