51231304607 has 16 divisors (see below), whose sum is σ = 61717478400. Its totient is φ = 41543422560.

The previous prime is 51231304577. The next prime is 51231304609. The reversal of 51231304607 is 70640313215.

It is a cyclic number.

It is not a de Polignac number, because 51231304607 - 2¹⁰ = 51231303583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51231304609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172244 + ... + 363497.

It is an arithmetic number, because the mean of its divisors is an integer number (3857342400).

Almost surely, 2^51231304607 is an apocalyptic number.

51231304607 is a deficient number, since it is larger than the sum of its proper divisors (10486173793).

51231304607 is a wasteful number, since it uses less digits than its factorization.

51231304607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536486.

The product of its (nonzero) digits is 15120, while the sum is 32.

The spelling of 51231304607 in words is "fifty-one billion, two hundred thirty-one million, three hundred four thousand, six hundred seven".