231980474 has 24 divisors (see below), whose sum is σ = 383389524. Its totient is φ = 105195200.

The previous prime is 231980431. The next prime is 231980503. The reversal of 231980474 is 474089132.

It can be written as a sum of positive squares in 2 ways, for example, as 228765625 + 3214849 = 15125^2 + 1793^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 133934 + ... + 135654.

Almost surely, 2^231980474 is an apocalyptic number.

231980474 is a deficient number, since it is larger than the sum of its proper divisors (151409050).

231980474 is a wasteful number, since it uses less digits than its factorization.

231980474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2302 (or 2291 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 231980474 is about 15230.9052258886. The cubic root of 231980474 is about 614.4461261310.

The spelling of 231980474 in words is "two hundred thirty-one million, nine hundred eighty thousand, four hundred seventy-four".