231252646 has 8 divisors (see below), whose sum is σ = 346943520. Its totient is φ = 115604808.

The previous prime is 231252631. The next prime is 231252661. The reversal of 231252646 is 646252132.

It is an interprime number because it is at equal distance from previous prime (231252631) and next prime (231252661).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 15315 + ... + 26401.

It is an arithmetic number, because the mean of its divisors is an integer number (43367940).

Almost surely, 2^231252646 is an apocalyptic number.

231252646 is a deficient number, since it is larger than the sum of its proper divisors (115690874).

231252646 is a wasteful number, since it uses less digits than its factorization.

231252646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21518.

The product of its digits is 17280, while the sum is 31.

The square root of 231252646 is about 15206.9933254408. The cubic root of 231252646 is about 613.8028541555.

The spelling of 231252646 in words is "two hundred thirty-one million, two hundred fifty-two thousand, six hundred forty-six".