79203012131 has 2 divisors, whose sum is σ = 79203012132. Its totient is φ = 79203012130.

The previous prime is 79203012107. The next prime is 79203012167. The reversal of 79203012131 is 13121030297.

It is a weak prime.

It is an emirp because it is prime and its reverse (13121030297) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79203012131 is a prime.

It is a super-2 number, since 2×79203012131² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 79203012094 and 79203012103.

It is not a weakly prime, because it can be changed into another prime (79203014131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39601506065 + 39601506066.

It is an arithmetic number, because the mean of its divisors is an integer number (39601506066).

Almost surely, 2^79203012131 is an apocalyptic number.

79203012131 is a deficient number, since it is larger than the sum of its proper divisors (1).

79203012131 is an equidigital number, since it uses as much as digits as its factorization.

79203012131 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 29.

The spelling of 79203012131 in words is "seventy-nine billion, two hundred three million, twelve thousand, one hundred thirty-one".