52331431051 has 4 divisors (see below), whose sum is σ = 52348266400. Its totient is φ = 52314595704.

The previous prime is 52331431021. The next prime is 52331431073. The reversal of 52331431051 is 15013413325.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52331431051 - 2⁷ = 52331430923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52331431021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8413011 + ... + 8419228.

It is an arithmetic number, because the mean of its divisors is an integer number (13087066600).

Almost surely, 2^52331431051 is an apocalyptic number.

52331431051 is a deficient number, since it is larger than the sum of its proper divisors (16835349).

52331431051 is a wasteful number, since it uses less digits than its factorization.

52331431051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16835348.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 52331431051 its reverse (15013413325), we get a palindrome (67344844376).

The spelling of 52331431051 in words is "fifty-two billion, three hundred thirty-one million, four hundred thirty-one thousand, fifty-one".