231263670 has 48 divisors (see below), whose sum is σ = 610086960. Its totient is φ = 56063040.

The previous prime is 231263633. The next prime is 231263693. The reversal of 231263670 is 76362132.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28225 + ... + 35484.

It is an arithmetic number, because the mean of its divisors is an integer number (12710145).

Almost surely, 2^231263670 is an apocalyptic number.

231263670 is an abundant number, since it is smaller than the sum of its proper divisors (378823290).

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

231263670 is a wasteful number, since it uses less digits than its factorization.

231263670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63741 (or 63730 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 231263670 is about 15207.3557859346. The cubic root of 231263670 is about 613.8126074927.

It can be divided in two parts, 23126 and 3670, that added together give a triangular number (26796 = T₂₃₁).

The spelling of 231263670 in words is "two hundred thirty-one million, two hundred sixty-three thousand, six hundred seventy".