31312225201079 has 2 divisors, whose sum is σ = 31312225201080. Its totient is φ = 31312225201078.

The previous prime is 31312225201039. The next prime is 31312225201171. The reversal of 31312225201079 is 97010252221313.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31312225201079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31312225201039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15656112600539 + 15656112600540.

It is an arithmetic number, because the mean of its divisors is an integer number (15656112600540).

Almost surely, 2^{31312225201079} is an apocalyptic number.

31312225201079 is a deficient number, since it is larger than the sum of its proper divisors (1).

31312225201079 is an equidigital number, since it uses as much as digits as its factorization.

31312225201079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 38.

The spelling of 31312225201079 in words is "thirty-one trillion, three hundred twelve billion, two hundred twenty-five million, two hundred one thousand, seventy-nine".