321310130231023 has 4 divisors (see below), whose sum is σ = 323762879316888. Its totient is φ = 318857381145160.

The previous prime is 321310130230931. The next prime is 321310130231039. The reversal of 321310130231023 is 320132031013123.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 321310130231023 - 2⁹ = 321310130230511 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 (321310136231023) 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, 1226374542736 + ... + 1226374542997.

It is an arithmetic number, because the mean of its divisors is an integer number (80940719829222).

Almost surely, 2^{321310130231023} is an apocalyptic number.

321310130231023 is a deficient number, since it is larger than the sum of its proper divisors (2452749085865).

321310130231023 is a wasteful number, since it uses less digits than its factorization.

321310130231023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2452749085864.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 321310130231023 its reverse (320132031013123), we get a palindrome (641442161244146).

The spelling of 321310130231023 in words is "three hundred twenty-one trillion, three hundred ten billion, one hundred thirty million, two hundred thirty-one thousand, twenty-three".