231948272 has 20 divisors (see below), whose sum is σ = 475835616. Its totient is φ = 109152000.

The previous prime is 231948271. The next prime is 231948313. The reversal of 231948272 is 272849132.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231948271) 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, 426104 + ... + 426647.

Almost surely, 2^231948272 is an apocalyptic number.

It is an amenable number.

231948272 is an abundant number, since it is smaller than the sum of its proper divisors (243887344).

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

231948272 is a wasteful number, since it uses less digits than its factorization.

231948272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852776 (or 852770 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 231948272 is about 15229.8480622756. The cubic root of 231948272 is about 614.4176936953.

The spelling of 231948272 in words is "two hundred thirty-one million, nine hundred forty-eight thousand, two hundred seventy-two".