31316225436479 has 2 divisors, whose sum is σ = 31316225436480. Its totient is φ = 31316225436478.

The previous prime is 31316225436403. The next prime is 31316225436539. The reversal of 31316225436479 is 97463452261313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31316225436479 - 2¹⁶ = 31316225370943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31316225436179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15658112718239 + 15658112718240.

It is an arithmetic number, because the mean of its divisors is an integer number (15658112718240).

Almost surely, 2^{31316225436479} is an apocalyptic number.

31316225436479 is a deficient number, since it is larger than the sum of its proper divisors (1).

31316225436479 is an equidigital number, since it uses as much as digits as its factorization.

31316225436479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19595520, while the sum is 56.

The spelling of 31316225436479 in words is "thirty-one trillion, three hundred sixteen billion, two hundred twenty-five million, four hundred thirty-six thousand, four hundred seventy-nine".