326377530631 has 2 divisors, whose sum is σ = 326377530632. Its totient is φ = 326377530630.

The previous prime is 326377530571. The next prime is 326377530673. The reversal of 326377530631 is 136035773623.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 326377530631 - 2⁹ = 326377530119 is a prime.

It is a super-2 number, since 2×326377530631² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (326377530431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163188765315 + 163188765316.

It is an arithmetic number, because the mean of its divisors is an integer number (163188765316).

Almost surely, 2^326377530631 is an apocalyptic number.

326377530631 is a deficient number, since it is larger than the sum of its proper divisors (1).

326377530631 is an equidigital number, since it uses as much as digits as its factorization.

326377530631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1428840, while the sum is 46.

The spelling of 326377530631 in words is "three hundred twenty-six billion, three hundred seventy-seven million, five hundred thirty thousand, six hundred thirty-one".