431230256 has 10 divisors (see below), whose sum is σ = 835508652. Its totient is φ = 215615120.

The previous prime is 431230253. The next prime is 431230259. The reversal of 431230256 is 652032134.

It is an interprime number because it is at equal distance from previous prime (431230253) and next prime (431230259).

It is not an unprimeable number, because it can be changed into a prime (431230253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13475930 + ... + 13475961.

Almost surely, 2^431230256 is an apocalyptic number.

It is an amenable number.

431230256 is a deficient number, since it is larger than the sum of its proper divisors (404278396).

431230256 is a wasteful number, since it uses less digits than its factorization.

431230256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26951899 (or 26951893 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 431230256 is about 20766.0842721973. The cubic root of 431230256 is about 755.5033738023.

The spelling of 431230256 in words is "four hundred thirty-one million, two hundred thirty thousand, two hundred fifty-six".