321232130013 has 4 divisors (see below), whose sum is σ = 428309506688. Its totient is φ = 214154753340.

The previous prime is 321232129979. The next prime is 321232130053. The reversal of 321232130013 is 310031232123.

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: 310031232123 = 3 ⋅103343744041.

It is not a de Polignac number, because 321232130013 - 2³³ = 312642195421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321232130053) 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, 53538688333 + ... + 53538688338.

It is an arithmetic number, because the mean of its divisors is an integer number (107077376672).

Almost surely, 2^321232130013 is an apocalyptic number.

It is an amenable number.

321232130013 is a deficient number, since it is larger than the sum of its proper divisors (107077376675).

321232130013 is a wasteful number, since it uses less digits than its factorization.

321232130013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107077376674.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 321232130013 its reverse (310031232123), we get a palindrome (631263362136).

The spelling of 321232130013 in words is "three hundred twenty-one billion, two hundred thirty-two million, one hundred thirty thousand, thirteen".