401245304531213 has 2 divisors, whose sum is σ = 401245304531214. Its totient is φ = 401245304531212.

The previous prime is 401245304531177. The next prime is 401245304531257. The reversal of 401245304531213 is 312135403542104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 304915751414569 + 96329553116644 = 17461837^2 + 9814762^2 .

It is a cyclic number.

It is not a de Polignac number, because 401245304531213 - 2³² = 401241009563917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401245304531263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200622652265606 + 200622652265607.

It is an arithmetic number, because the mean of its divisors is an integer number (200622652265607).

Almost surely, 2^{401245304531213} is an apocalyptic number.

It is an amenable number.

401245304531213 is a deficient number, since it is larger than the sum of its proper divisors (1).

401245304531213 is an equidigital number, since it uses as much as digits as its factorization.

401245304531213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 401245304531213 in words is "four hundred one trillion, two hundred forty-five billion, three hundred four million, five hundred thirty-one thousand, two hundred thirteen".