8613125431 has 8 divisors (see below), whose sum is σ = 8699577120. Its totient is φ = 8526728352.

The previous prime is 8613125413. The next prime is 8613125461. The reversal of 8613125431 is 1345213168.

8613125431 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 8613125431 - 2³¹ = 6465641783 is a prime.

It is a super-3 number, since 3×8613125431³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8613125461) 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, 352065 + ... + 375733.

It is an arithmetic number, because the mean of its divisors is an integer number (1087447140).

Almost surely, 2^8613125431 is an apocalyptic number.

8613125431 is a deficient number, since it is larger than the sum of its proper divisors (86451689).

8613125431 is a wasteful number, since it uses less digits than its factorization.

8613125431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27305.

The product of its digits is 17280, while the sum is 34.

The square root of 8613125431 is about 92806.9255551546. The cubic root of 8613125431 is about 2049.8413861813.

Adding to 8613125431 its reverse (1345213168), we get a palindrome (9958338599).

The spelling of 8613125431 in words is "eight billion, six hundred thirteen million, one hundred twenty-five thousand, four hundred thirty-one".