321943898113 has 4 divisors (see below), whose sum is σ = 322979087808. Its totient is φ = 320908708420.

The previous prime is 321943898051. The next prime is 321943898119. The reversal of 321943898113 is 311898349123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321943898113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321943898119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 517594381 + ... + 517595002.

It is an arithmetic number, because the mean of its divisors is an integer number (80744771952).

Almost surely, 2^321943898113 is an apocalyptic number.

It is an amenable number.

321943898113 is a deficient number, since it is larger than the sum of its proper divisors (1035189695).

321943898113 is a wasteful number, since it uses less digits than its factorization.

321943898113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035189694.

The product of its digits is 1119744, while the sum is 52.

The spelling of 321943898113 in words is "three hundred twenty-one billion, nine hundred forty-three million, eight hundred ninety-eight thousand, one hundred thirteen".