102013012331731 has 2 divisors, whose sum is σ = 102013012331732. Its totient is φ = 102013012331730.

The previous prime is 102013012331717. The next prime is 102013012331761. The reversal of 102013012331731 is 137133210310201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102013012331731 - 2¹⁵ = 102013012298963 is a prime.

It is a super-2 number, since 2×102013012331731² (a number of 29 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 102013012331731.

It is not a weakly prime, because it can be changed into another prime (102013012331761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51006506165865 + 51006506165866.

It is an arithmetic number, because the mean of its divisors is an integer number (51006506165866).

Almost surely, 2^{102013012331731} is an apocalyptic number.

102013012331731 is a deficient number, since it is larger than the sum of its proper divisors (1).

102013012331731 is an equidigital number, since it uses as much as digits as its factorization.

102013012331731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 28.

Adding to 102013012331731 its reverse (137133210310201), we get a palindrome (239146222641932).

The spelling of 102013012331731 in words is "one hundred two trillion, thirteen billion, twelve million, three hundred thirty-one thousand, seven hundred thirty-one".