231551503051344 has 40 divisors (see below), whose sum is σ = 683628247104960. Its totient is φ = 66157572300288.

The previous prime is 231551503051339. The next prime is 231551503051357. The reversal of 231551503051344 is 443150305155132.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 231551503051296 and 231551503051305.

It is a congruent number.

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, 344570688729 + ... + 344570689400.

It is an arithmetic number, because the mean of its divisors is an integer number (17090706177624).

Almost surely, 2^{231551503051344} is an apocalyptic number.

231551503051344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

231551503051344 is an abundant number, since it is smaller than the sum of its proper divisors (452076744053616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231551503051344 is a wasteful number, since it uses less digits than its factorization.

231551503051344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689141378147 (or 689141378141 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 42.

The spelling of 231551503051344 in words is "two hundred thirty-one trillion, five hundred fifty-one billion, five hundred three million, fifty-one thousand, three hundred forty-four".