231270972 has 12 divisors (see below), whose sum is σ = 539632296. Its totient is φ = 77090320.

The previous prime is 231270971. The next prime is 231270997. The reversal of 231270972 is 279072132.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231270971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9636279 + ... + 9636302.

It is an arithmetic number, because the mean of its divisors is an integer number (44969358).

Almost surely, 2^231270972 is an apocalyptic number.

It is an amenable number.

231270972 is an abundant number, since it is smaller than the sum of its proper divisors (308361324).

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

231270972 is a wasteful number, since it uses less digits than its factorization.

231270972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19272588 (or 19272586 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 231270972 is about 15207.5958652247. The cubic root of 231270972 is about 613.8190676694.

The spelling of 231270972 in words is "two hundred thirty-one million, two hundred seventy thousand, nine hundred seventy-two".