231557796933119 has 4 divisors (see below), whose sum is σ = 231557827646880. Its totient is φ = 231557766219360.

The previous prime is 231557796933091. The next prime is 231557796933149. The reversal of 231557796933119 is 911339697755132.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231557796933119 is a prime.

It is a super-3 number, since 3×231557796933119³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231557796933149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4576679 + ... + 22001399.

It is an arithmetic number, because the mean of its divisors is an integer number (57889456911720).

Almost surely, 2^{231557796933119} is an apocalyptic number.

231557796933119 is a deficient number, since it is larger than the sum of its proper divisors (30713761).

231557796933119 is a wasteful number, since it uses less digits than its factorization.

231557796933119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30713760.

The product of its digits is 289340100, while the sum is 71.

The spelling of 231557796933119 in words is "two hundred thirty-one trillion, five hundred fifty-seven billion, seven hundred ninety-six million, nine hundred thirty-three thousand, one hundred nineteen".