231551345411514 has 16 divisors (see below), whose sum is σ = 514558545359040. Its totient is φ = 77183781803820.

The previous prime is 231551345411447. The next prime is 231551345411521. The reversal of 231551345411514 is 415114543155132.

231551345411514 is a `hidden beast` number, since 2 + 3 + 1 + 5 + 51 + 3 + 4 + 541 + 1 + 51 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 231551345411514.

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, 2143993938942 + ... + 2143993939049.

It is an arithmetic number, because the mean of its divisors is an integer number (32159909084940).

Almost surely, 2^{231551345411514} is an apocalyptic number.

231551345411514 is an abundant number, since it is smaller than the sum of its proper divisors (283007199947526).

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

231551345411514 is a wasteful number, since it uses less digits than its factorization.

231551345411514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4287987878002 (or 4287987877996 counting only the distinct ones).

The product of its digits is 720000, while the sum is 45.

Adding to 231551345411514 its reverse (415114543155132), we get a palindrome (646665888566646).

The spelling of 231551345411514 in words is "two hundred thirty-one trillion, five hundred fifty-one billion, three hundred forty-five million, four hundred eleven thousand, five hundred fourteen".