321232113001 has 4 divisors (see below), whose sum is σ = 321237695632. Its totient is φ = 321226530372.

The previous prime is 321232112989. The next prime is 321232113031. The reversal of 321232113001 is 100311232123.

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, and also an emirpimes, since its reverse is a distinct semiprime: 100311232123 = 67 ⋅1497182569.

It is a cyclic number.

It is not a de Polignac number, because 321232113001 - 2⁵ = 321232112969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 321232113001.

It is not an unprimeable number, because it can be changed into a prime (321232113031) 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, 2704095 + ... + 2820388.

It is an arithmetic number, because the mean of its divisors is an integer number (80309423908).

Almost surely, 2^321232113001 is an apocalyptic number.

It is an amenable number.

321232113001 is a deficient number, since it is larger than the sum of its proper divisors (5582631).

321232113001 is an equidigital number, since it uses as much as digits as its factorization.

321232113001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5582630.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 321232113001 its reverse (100311232123), we get a palindrome (421543345124).

The spelling of 321232113001 in words is "three hundred twenty-one billion, two hundred thirty-two million, one hundred thirteen thousand, one".