331467442 has 4 divisors (see below), whose sum is σ = 497201166. Its totient is φ = 165733720.

The previous prime is 331467439. The next prime is 331467457. The reversal of 331467442 is 244764133.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 318658201 + 12809241 = 17851^2 + 3579^2 .

It is a junction number, because it is equal to n+sod(n) for n = 331467398 and 331467407.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82866859 + ... + 82866862.

Almost surely, 2^331467442 is an apocalyptic number.

331467442 is a deficient number, since it is larger than the sum of its proper divisors (165733724).

331467442 is a wasteful number, since it uses less digits than its factorization.

331467442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165733723.

The product of its digits is 48384, while the sum is 34.

The square root of 331467442 is about 18206.2473343630. The cubic root of 331467442 is about 692.0651160505.

It can be divided in two parts, 3314 and 67442, that added together give a square (70756 = 266²).

The spelling of 331467442 in words is "three hundred thirty-one million, four hundred sixty-seven thousand, four hundred forty-two".