231284474 has 16 divisors (see below), whose sum is σ = 354793608. Its totient is φ = 113036352.

The previous prime is 231284467. The next prime is 231284491. The reversal of 231284474 is 474482132.

It can be written as a sum of positive squares in 4 ways, for example, as 146773225 + 84511249 = 12115^2 + 9193^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25424 + ... + 33300.

Almost surely, 2^231284474 is an apocalyptic number.

231284474 is a deficient number, since it is larger than the sum of its proper divisors (123509134).

231284474 is a wasteful number, since it uses less digits than its factorization.

231284474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8209.

The product of its digits is 43008, while the sum is 35.

The square root of 231284474 is about 15208.0397816418. The cubic root of 231284474 is about 613.8310127105.

The spelling of 231284474 in words is "two hundred thirty-one million, two hundred eighty-four thousand, four hundred seventy-four".