321034430099 has 2 divisors, whose sum is σ = 321034430100. Its totient is φ = 321034430098.

The previous prime is 321034430071. The next prime is 321034430141. The reversal of 321034430099 is 990034430123.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 321034430099 - 2³² = 316739462803 is a prime.

It is not a weakly prime, because it can be changed into another prime (321034430599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160517215049 + 160517215050.

It is an arithmetic number, because the mean of its divisors is an integer number (160517215050).

Almost surely, 2^321034430099 is an apocalyptic number.

321034430099 is a deficient number, since it is larger than the sum of its proper divisors (1).

321034430099 is an equidigital number, since it uses as much as digits as its factorization.

321034430099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 38.

The spelling of 321034430099 in words is "three hundred twenty-one billion, thirty-four million, four hundred thirty thousand, ninety-nine".