51112025031 has 32 divisors (see below), whose sum is σ = 71693107200. Its totient is φ = 32347254240.

The previous prime is 51112024993. The next prime is 51112025117. The reversal of 51112025031 is 13052021115.

It is not a de Polignac number, because 51112025031 - 2⁶ = 51112024967 is a prime.

It is a super-2 number, since 2×51112025031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51112024989 and 51112025007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51112025231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2618550 + ... + 2637996.

It is an arithmetic number, because the mean of its divisors is an integer number (2240409600).

Almost surely, 2^51112025031 is an apocalyptic number.

51112025031 is a deficient number, since it is larger than the sum of its proper divisors (20581082169).

51112025031 is a wasteful number, since it uses less digits than its factorization.

51112025031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20019.

The product of its (nonzero) digits is 300, while the sum is 21.

Adding to 51112025031 its reverse (13052021115), we get a palindrome (64164046146).

The spelling of 51112025031 in words is "fifty-one billion, one hundred twelve million, twenty-five thousand, thirty-one".