5031128694 has 32 divisors (see below), whose sum is σ = 10390947840. Its totient is φ = 1622304000.

The previous prime is 5031128681. The next prime is 5031128701. The reversal of 5031128694 is 4968211305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 764719 + ... + 771269.

It is an arithmetic number, because the mean of its divisors is an integer number (324717120).

Almost surely, 2^5031128694 is an apocalyptic number.

5031128694 is an abundant number, since it is smaller than the sum of its proper divisors (5359819146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5031128694 is a wasteful number, since it uses less digits than its factorization.

5031128694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10716.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 5031128694 is about 70930.4496954587. The cubic root of 5031128694 is about 1713.5172289791.

Adding to 5031128694 its reverse (4968211305), we get a palindrome (9999339999).

The spelling of 5031128694 in words is "five billion, thirty-one million, one hundred twenty-eight thousand, six hundred ninety-four".