75313231357 has 16 divisors (see below), whose sum is σ = 94212775552. Its totient is φ = 58611625920.

The previous prime is 75313231313. The next prime is 75313231369.

It is a happy number.

75313231357 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 75313231357 - 2⁷ = 75313231229 is a prime.

It is a super-2 number, since 2×75313231357² (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 (75313231057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6778203 + ... + 6789304.

It is an arithmetic number, because the mean of its divisors is an integer number (5888298472).

Almost surely, 2^75313231357 is an apocalyptic number.

It is an amenable number.

75313231357 is a deficient number, since it is larger than the sum of its proper divisors (18899544195).

75313231357 is a wasteful number, since it uses less digits than its factorization.

75313231357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13567588.

The product of its digits is 198450, while the sum is 40.

The spelling of 75313231357 in words is "seventy-five billion, three hundred thirteen million, two hundred thirty-one thousand, three hundred fifty-seven".