31113303079 has 2 divisors, whose sum is σ = 31113303080. Its totient is φ = 31113303078.

The previous prime is 31113302971. The next prime is 31113303097. The reversal of 31113303079 is 97030331113.

Together with next prime (31113303097) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (97030331113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31113303079 - 2²¹ = 31111205927 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31113303079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31113303379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15556651539 + 15556651540.

It is an arithmetic number, because the mean of its divisors is an integer number (15556651540).

Almost surely, 2^31113303079 is an apocalyptic number.

31113303079 is a deficient number, since it is larger than the sum of its proper divisors (1).

31113303079 is an equidigital number, since it uses as much as digits as its factorization.

31113303079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5103, while the sum is 31.

The spelling of 31113303079 in words is "thirty-one billion, one hundred thirteen million, three hundred three thousand, seventy-nine".