31010012073493 has 2 divisors, whose sum is σ = 31010012073494. Its totient is φ = 31010012073492.

The previous prime is 31010012073479. The next prime is 31010012073497. The reversal of 31010012073493 is 39437021001013.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24115779851524 + 6894232221969 = 4910782^2 + 2625687^2 .

It is a cyclic number.

It is not a de Polignac number, because 31010012073493 - 2¹³ = 31010012065301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31010012073497) 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, 15505006036746 + 15505006036747.

It is an arithmetic number, because the mean of its divisors is an integer number (15505006036747).

Almost surely, 2^{31010012073493} is an apocalyptic number.

It is an amenable number.

31010012073493 is a deficient number, since it is larger than the sum of its proper divisors (1).

31010012073493 is an equidigital number, since it uses as much as digits as its factorization.

31010012073493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 34.

The spelling of 31010012073493 in words is "thirty-one trillion, ten billion, twelve million, seventy-three thousand, four hundred ninety-three".