2151304110431 has 12 divisors (see below), whose sum is σ = 2502679537008. Its totient is φ = 1843870244832.

The previous prime is 2151304110409. The next prime is 2151304110437. The reversal of 2151304110431 is 1340114031512.

It is not a de Polignac number, because 2151304110431 - 2³⁰ = 2150230368607 is a prime.

It is a super-2 number, since 2×2151304110431² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2151304110431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151304110437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 368531 + ... + 2106756.

It is an arithmetic number, because the mean of its divisors is an integer number (208556628084).

Almost surely, 2^{2151304110431} is an apocalyptic number.

2151304110431 is a deficient number, since it is larger than the sum of its proper divisors (351375426577).

2151304110431 is a wasteful number, since it uses less digits than its factorization.

2151304110431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493038 (or 2493031 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 2151304110431 its reverse (1340114031512), we get a palindrome (3491418141943).

The spelling of 2151304110431 in words is "two trillion, one hundred fifty-one billion, three hundred four million, one hundred ten thousand, four hundred thirty-one".