75313651231 has 32 divisors (see below), whose sum is σ = 93444019200. Its totient is φ = 59107276800.

The previous prime is 75313651213. The next prime is 75313651247. The reversal of 75313651231 is 13215631357.

It is not a de Polignac number, because 75313651231 - 2²¹ = 75311554079 is a prime.

It is a super-2 number, since 2×75313651231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75313657231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20249190 + ... + 20252908.

It is an arithmetic number, because the mean of its divisors is an integer number (2920125600).

Almost surely, 2^75313651231 is an apocalyptic number.

75313651231 is a deficient number, since it is larger than the sum of its proper divisors (18130367969).

75313651231 is a wasteful number, since it uses less digits than its factorization.

75313651231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5479.

The product of its digits is 56700, while the sum is 37.

The spelling of 75313651231 in words is "seventy-five billion, three hundred thirteen million, six hundred fifty-one thousand, two hundred thirty-one".