8610440131 has 2 divisors, whose sum is σ = 8610440132. Its totient is φ = 8610440130.

The previous prime is 8610440093. The next prime is 8610440147. The reversal of 8610440131 is 1310440168.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8610440131 is a prime.

It is a super-2 number, since 2×8610440131² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8610440131.

It is not a weakly prime, because it can be changed into another prime (8610440171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4305220065 + 4305220066.

It is an arithmetic number, because the mean of its divisors is an integer number (4305220066).

Almost surely, 2^8610440131 is an apocalyptic number.

8610440131 is a deficient number, since it is larger than the sum of its proper divisors (1).

8610440131 is an equidigital number, since it uses as much as digits as its factorization.

8610440131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 8610440131 is about 92792.4572958384. The cubic root of 8610440131 is about 2049.6283388094.

Adding to 8610440131 its reverse (1310440168), we get a palindrome (9920880299).

The spelling of 8610440131 in words is "eight billion, six hundred ten million, four hundred forty thousand, one hundred thirty-one".