231246752 has 24 divisors (see below), whose sum is σ = 496655712. Its totient is φ = 105112000.

The previous prime is 231246749. The next prime is 231246773. The reversal of 231246752 is 257642132.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328124 + ... + 328827.

It is an arithmetic number, because the mean of its divisors is an integer number (20693988).

Almost surely, 2^231246752 is an apocalyptic number.

231246752 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231246752 is an abundant number, since it is smaller than the sum of its proper divisors (265408960).

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

231246752 is a wasteful number, since it uses less digits than its factorization.

231246752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656972 (or 656964 counting only the distinct ones).

The product of its digits is 20160, while the sum is 32.

The square root of 231246752 is about 15206.7995317884. The cubic root of 231246752 is about 613.7976393903.

Adding to 231246752 its reverse (257642132), we get a palindrome (488888884).

The spelling of 231246752 in words is "two hundred thirty-one million, two hundred forty-six thousand, seven hundred fifty-two".