231277172 has 24 divisors (see below), whose sum is σ = 462887040. Its totient is φ = 99047520.

The previous prime is 231277157. The next prime is 231277223. The reversal of 231277172 is 271772132.

231277172 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60329 + ... + 64047.

It is an arithmetic number, because the mean of its divisors is an integer number (19286960).

Almost surely, 2^231277172 is an apocalyptic number.

It is an amenable number.

231277172 is an abundant number, since it is smaller than the sum of its proper divisors (231609868).

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

231277172 is a wasteful number, since it uses less digits than its factorization.

231277172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5951 (or 5949 counting only the distinct ones).

The product of its digits is 8232, while the sum is 32.

The square root of 231277172 is about 15207.7997093597. The cubic root of 231277172 is about 613.8245527852.

The spelling of 231277172 in words is "two hundred thirty-one million, two hundred seventy-seven thousand, one hundred seventy-two".