51431214524 has 24 divisors (see below), whose sum is σ = 93367663200. Its totient is φ = 24759680960.

The previous prime is 51431214517. The next prime is 51431214533. The reversal of 51431214524 is 42541213415.

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, 575867 + ... + 659154.

It is an arithmetic number, because the mean of its divisors is an integer number (3890319300).

Almost surely, 2^51431214524 is an apocalyptic number.

It is an amenable number.

51431214524 is a deficient number, since it is larger than the sum of its proper divisors (41936448676).

51431214524 is a wasteful number, since it uses less digits than its factorization.

51431214524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235413 (or 1235411 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

Adding to 51431214524 its reverse (42541213415), we get a palindrome (93972427939).

The spelling of 51431214524 in words is "fifty-one billion, four hundred thirty-one million, two hundred fourteen thousand, five hundred twenty-four".