9913063031 has 2 divisors, whose sum is σ = 9913063032. Its totient is φ = 9913063030.

The previous prime is 9913063019. The next prime is 9913063063. The reversal of 9913063031 is 1303603199.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9913063031 is a prime.

It is a super-2 number, since 2×9913063031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9913062982 and 9913063000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9913063081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4956531515 + 4956531516.

It is an arithmetic number, because the mean of its divisors is an integer number (4956531516).

Almost surely, 2^9913063031 is an apocalyptic number.

9913063031 is a deficient number, since it is larger than the sum of its proper divisors (1).

9913063031 is an equidigital number, since it uses as much as digits as its factorization.

9913063031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13122, while the sum is 35.

The square root of 9913063031 is about 99564.3662712720. The cubic root of 9913063031 is about 2148.1731755249.

The spelling of 9913063031 in words is "nine billion, nine hundred thirteen million, sixty-three thousand, thirty-one".