231937955 has 4 divisors (see below), whose sum is σ = 278325552. Its totient is φ = 185550360.

The previous prime is 231937949. The next prime is 231937967. The reversal of 231937955 is 559739132.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 231937955 - 2¹⁰ = 231936931 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23193791 + ... + 23193800.

It is an arithmetic number, because the mean of its divisors is an integer number (69581388).

Almost surely, 2^231937955 is an apocalyptic number.

231937955 is a deficient number, since it is larger than the sum of its proper divisors (46387597).

231937955 is an equidigital number, since it uses as much as digits as its factorization.

231937955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46387596.

The product of its digits is 255150, while the sum is 44.

The square root of 231937955 is about 15229.5093486297. The cubic root of 231937955 is about 614.4085838461.

The spelling of 231937955 in words is "two hundred thirty-one million, nine hundred thirty-seven thousand, nine hundred fifty-five".