321103011347 has 2 divisors, whose sum is σ = 321103011348. Its totient is φ = 321103011346.

The previous prime is 321103011319. The next prime is 321103011403. The reversal of 321103011347 is 743110301123.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 321103011347 - 2²² = 321098817043 is a prime.

It is a super-2 number, since 2×321103011347² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (321103011847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160551505673 + 160551505674.

It is an arithmetic number, because the mean of its divisors is an integer number (160551505674).

Almost surely, 2^321103011347 is an apocalyptic number.

321103011347 is a deficient number, since it is larger than the sum of its proper divisors (1).

321103011347 is an equidigital number, since it uses as much as digits as its factorization.

321103011347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

The spelling of 321103011347 in words is "three hundred twenty-one billion, one hundred three million, eleven thousand, three hundred forty-seven".