231271013054 has 4 divisors (see below), whose sum is σ = 346906519584. Its totient is φ = 115635506526.

The previous prime is 231271013033. The next prime is 231271013081. The reversal of 231271013054 is 450310172132.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57817753262 + ... + 57817753265.

It is an arithmetic number, because the mean of its divisors is an integer number (86726629896).

Almost surely, 2^231271013054 is an apocalyptic number.

231271013054 is a deficient number, since it is larger than the sum of its proper divisors (115635506530).

231271013054 is a wasteful number, since it uses less digits than its factorization.

231271013054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115635506529.

The product of its (nonzero) digits is 5040, while the sum is 29.

Adding to 231271013054 its reverse (450310172132), we get a palindrome (681581185186).

The spelling of 231271013054 in words is "two hundred thirty-one billion, two hundred seventy-one million, thirteen thousand, fifty-four".