321431134123 has 16 divisors (see below), whose sum is σ = 366853349376. Its totient is φ = 278775471040.

The previous prime is 321431134103. The next prime is 321431134139.

321431134123 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 321431134123 - 2¹³ = 321431125931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321431134091 and 321431134100.

It is not an unprimeable number, because it can be changed into a prime (321431134103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1561690 + ... + 1755487.

It is an arithmetic number, because the mean of its divisors is an integer number (22928334336).

Almost surely, 2^321431134123 is an apocalyptic number.

321431134123 is a deficient number, since it is larger than the sum of its proper divisors (45422215253).

321431134123 is a wasteful number, since it uses less digits than its factorization.

321431134123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3317594.

The product of its digits is 5184, while the sum is 28.

It can be divided in two parts, 321431 and 134123, that added together give a palindrome (455554).

The spelling of 321431134123 in words is "three hundred twenty-one billion, four hundred thirty-one million, one hundred thirty-four thousand, one hundred twenty-three".