231356403311 has 48 divisors (see below), whose sum is σ = 267882854400. Its totient is φ = 199273060800.

The previous prime is 231356403277. The next prime is 231356403329. The reversal of 231356403311 is 113304653132.

It is not a de Polignac number, because 231356403311 - 2³⁴ = 214176534127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231356403331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 233457026 + ... + 233458016.

It is an arithmetic number, because the mean of its divisors is an integer number (5580892800).

Almost surely, 2^231356403311 is an apocalyptic number.

231356403311 is a deficient number, since it is larger than the sum of its proper divisors (36526451089).

231356403311 is a wasteful number, since it uses less digits than its factorization.

231356403311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1748 (or 1737 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 32.

The spelling of 231356403311 in words is "two hundred thirty-one billion, three hundred fifty-six million, four hundred three thousand, three hundred eleven".