51023330131 has 8 divisors (see below), whose sum is σ = 51114153728. Its totient is φ = 50932557000.

The previous prime is 51023330107. The next prime is 51023330159. The reversal of 51023330131 is 13103332015.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51023330131 - 2²¹ = 51021232979 is a prime.

It is a super-2 number, since 2×51023330131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51023330431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2415586 + ... + 2436616.

It is an arithmetic number, because the mean of its divisors is an integer number (6389269216).

Almost surely, 2^51023330131 is an apocalyptic number.

51023330131 is a deficient number, since it is larger than the sum of its proper divisors (90823597).

51023330131 is a wasteful number, since it uses less digits than its factorization.

51023330131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25233.

The product of its (nonzero) digits is 810, while the sum is 22.

Adding to 51023330131 its reverse (13103332015), we get a palindrome (64126662146).

The spelling of 51023330131 in words is "fifty-one billion, twenty-three million, three hundred thirty thousand, one hundred thirty-one".