31320053407 has 2 divisors, whose sum is σ = 31320053408. Its totient is φ = 31320053406.

The previous prime is 31320053399. The next prime is 31320053441. The reversal of 31320053407 is 70435002313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31320053407 - 2³ = 31320053399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31320053497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15660026703 + 15660026704.

It is an arithmetic number, because the mean of its divisors is an integer number (15660026704).

Almost surely, 2^31320053407 is an apocalyptic number.

31320053407 is a deficient number, since it is larger than the sum of its proper divisors (1).

31320053407 is an equidigital number, since it uses as much as digits as its factorization.

31320053407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 28.

The spelling of 31320053407 in words is "thirty-one billion, three hundred twenty million, fifty-three thousand, four hundred seven".