321012331099 has 2 divisors, whose sum is σ = 321012331100. Its totient is φ = 321012331098.

The previous prime is 321012331063. The next prime is 321012331121. The reversal of 321012331099 is 990133210123.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 321012331099 - 2⁷ = 321012330971 is a prime.

It is a super-2 number, since 2×321012331099² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (321012331399) 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, 160506165549 + 160506165550.

It is an arithmetic number, because the mean of its divisors is an integer number (160506165550).

Almost surely, 2^321012331099 is an apocalyptic number.

321012331099 is a deficient number, since it is larger than the sum of its proper divisors (1).

321012331099 is an equidigital number, since it uses as much as digits as its factorization.

321012331099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 34.

The spelling of 321012331099 in words is "three hundred twenty-one billion, twelve million, three hundred thirty-one thousand, ninety-nine".