231755372 has 6 divisors (see below), whose sum is σ = 405571908. Its totient is φ = 115877684.

The previous prime is 231755371. The next prime is 231755387. The reversal of 231755372 is 273557132.

231755372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (231755371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28969418 + ... + 28969425.

It is an arithmetic number, because the mean of its divisors is an integer number (67595318).

Almost surely, 2^231755372 is an apocalyptic number.

It is an amenable number.

231755372 is a deficient number, since it is larger than the sum of its proper divisors (173816536).

231755372 is a wasteful number, since it uses less digits than its factorization.

231755372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57938847 (or 57938845 counting only the distinct ones).

The product of its digits is 44100, while the sum is 35.

The square root of 231755372 is about 15223.5137862453. The cubic root of 231755372 is about 614.2473194370.

The spelling of 231755372 in words is "two hundred thirty-one million, seven hundred fifty-five thousand, three hundred seventy-two".