1031186850131 has 2 divisors, whose sum is σ = 1031186850132. Its totient is φ = 1031186850130.

The previous prime is 1031186850107. The next prime is 1031186850179. The reversal of 1031186850131 is 1310586811301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1031186850131 - 2¹⁸ = 1031186587987 is a prime.

It is a super-2 number, since 2×1031186850131² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1031186850181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515593425065 + 515593425066.

It is an arithmetic number, because the mean of its divisors is an integer number (515593425066).

Almost surely, 2^{1031186850131} is an apocalyptic number.

1031186850131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031186850131 is an equidigital number, since it uses as much as digits as its factorization.

1031186850131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 38.

The spelling of 1031186850131 in words is "one trillion, thirty-one billion, one hundred eighty-six million, eight hundred fifty thousand, one hundred thirty-one".