231761242 has 16 divisors (see below), whose sum is σ = 349938792. Its totient is φ = 115118080.

The previous prime is 231761237. The next prime is 231761279. The reversal of 231761242 is 242167132.

231761242 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 223472601 + 8288641 = 14949^2 + 2879^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 231761242.

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, 361242 + ... + 361882.

Almost surely, 2^231761242 is an apocalyptic number.

231761242 is a deficient number, since it is larger than the sum of its proper divisors (118177550).

231761242 is a wasteful number, since it uses less digits than its factorization.

231761242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553.

The product of its digits is 4032, while the sum is 28.

The square root of 231761242 is about 15223.7065788854. The cubic root of 231761242 is about 614.2525053669.

The spelling of 231761242 in words is "two hundred thirty-one million, seven hundred sixty-one thousand, two hundred forty-two".