9531713131 has 2 divisors, whose sum is σ = 9531713132. Its totient is φ = 9531713130.

The previous prime is 9531713101. The next prime is 9531713231. The reversal of 9531713131 is 1313171359.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9531713131 - 2⁵ = 9531713099 is a prime.

It is a super-2 number, since 2×9531713131² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9531713101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4765856565 + 4765856566.

It is an arithmetic number, because the mean of its divisors is an integer number (4765856566).

Almost surely, 2^9531713131 is an apocalyptic number.

9531713131 is a deficient number, since it is larger than the sum of its proper divisors (1).

9531713131 is an equidigital number, since it uses as much as digits as its factorization.

9531713131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8505, while the sum is 34.

The square root of 9531713131 is about 97630.4928339502. The cubic root of 9531713131 is about 2120.2658628098.

The spelling of 9531713131 in words is "nine billion, five hundred thirty-one million, seven hundred thirteen thousand, one hundred thirty-one".