231356153234 has 4 divisors (see below), whose sum is σ = 347034229854. Its totient is φ = 115678076616.

The previous prime is 231356153219. The next prime is 231356153261. The reversal of 231356153234 is 432351653132.

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

It can be written as a sum of positive squares in only one way, i.e., 139985977609 + 91370175625 = 374147^2 + 302275^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57839038307 + ... + 57839038310.

Almost surely, 2^231356153234 is an apocalyptic number.

231356153234 is a deficient number, since it is larger than the sum of its proper divisors (115678076620).

231356153234 is a wasteful number, since it uses less digits than its factorization.

231356153234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115678076619.

The product of its digits is 194400, while the sum is 38.

The spelling of 231356153234 in words is "two hundred thirty-one billion, three hundred fifty-six million, one hundred fifty-three thousand, two hundred thirty-four".