322499421631 has 2 divisors, whose sum is σ = 322499421632. Its totient is φ = 322499421630.

The previous prime is 322499421593. The next prime is 322499421659. The reversal of 322499421631 is 136124994223.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (136124994223) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 322499421631 - 2⁹ = 322499421119 is a prime.

It is a super-5 number, since 5×322499421631⁵ (a number of 59 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (322499421661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161249710815 + 161249710816.

It is an arithmetic number, because the mean of its divisors is an integer number (161249710816).

Almost surely, 2^322499421631 is an apocalyptic number.

322499421631 is a deficient number, since it is larger than the sum of its proper divisors (1).

322499421631 is an equidigital number, since it uses as much as digits as its factorization.

322499421631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 46.

The spelling of 322499421631 in words is "three hundred twenty-two billion, four hundred ninety-nine million, four hundred twenty-one thousand, six hundred thirty-one".