231120372 has 96 divisors (see below), whose sum is σ = 675198720. Its totient is φ = 59996160.

The previous prime is 231120341. The next prime is 231120377. The reversal of 231120372 is 273021132.

231120372 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231120377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38622 + ... + 44202.

It is an arithmetic number, because the mean of its divisors is an integer number (7033320).

Almost surely, 2^231120372 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231120372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (337599360).

231120372 is an abundant number, since it is smaller than the sum of its proper divisors (444078348).

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

231120372 is a wasteful number, since it uses less digits than its factorization.

231120372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5641 (or 5639 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 231120372 is about 15202.6435859031. The cubic root of 231120372 is about 613.6858023148.

The spelling of 231120372 in words is "two hundred thirty-one million, one hundred twenty thousand, three hundred seventy-two".