31466466413 has 2 divisors, whose sum is σ = 31466466414. Its totient is φ = 31466466412.

The previous prime is 31466466403. The next prime is 31466466439.

31466466413 is nontrivially palindromic in base 10.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22002678889 + 9463787524 = 148333^2 + 97282^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 31466466413 - 2¹⁸ = 31466204269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31466466403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15733233206 + 15733233207.

It is an arithmetic number, because the mean of its divisors is an integer number (15733233207).

Almost surely, 2^31466466413 is an apocalyptic number.

It is an amenable number.

31466466413 is a deficient number, since it is larger than the sum of its proper divisors (1).

31466466413 is an equidigital number, since it uses as much as digits as its factorization.

31466466413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 746496, while the sum is 44.

The spelling of 31466466413 in words is "thirty-one billion, four hundred sixty-six million, four hundred sixty-six thousand, four hundred thirteen".