7979310217031 has 2 divisors, whose sum is σ = 7979310217032. Its totient is φ = 7979310217030.

The previous prime is 7979310217019. The next prime is 7979310217111. The reversal of 7979310217031 is 1307120139797.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7979310217031 is a prime.

It is a super-2 number, since 2×7979310217031² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7979310217001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3989655108515 + 3989655108516.

It is an arithmetic number, because the mean of its divisors is an integer number (3989655108516).

Almost surely, 2^{7979310217031} is an apocalyptic number.

7979310217031 is a deficient number, since it is larger than the sum of its proper divisors (1).

7979310217031 is an equidigital number, since it uses as much as digits as its factorization.

7979310217031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 500094, while the sum is 50.

The spelling of 7979310217031 in words is "seven trillion, nine hundred seventy-nine billion, three hundred ten million, two hundred seventeen thousand, thirty-one".