231369488 has 20 divisors (see below), whose sum is σ = 512318400. Its totient is φ = 99158304.

The previous prime is 231369469. The next prime is 231369491. The reversal of 231369488 is 884963132.

It is an unprimeable number.

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, 1032788 + ... + 1033011.

It is an arithmetic number, because the mean of its divisors is an integer number (25615920).

Almost surely, 2^231369488 is an apocalyptic number.

231369488 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

231369488 is an abundant number, since it is smaller than the sum of its proper divisors (280948912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231369488 is a wasteful number, since it uses less digits than its factorization.

231369488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065814 (or 2065808 counting only the distinct ones).

The product of its digits is 248832, while the sum is 44.

The square root of 231369488 is about 15210.8345596157. The cubic root of 231369488 is about 613.9062127967.

The spelling of 231369488 in words is "two hundred thirty-one million, three hundred sixty-nine thousand, four hundred eighty-eight".