322403140231 has 4 divisors (see below), whose sum is σ = 322769092464. Its totient is φ = 322037188000.

The previous prime is 322403140187. The next prime is 322403140247. The reversal of 322403140231 is 132041304223.

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 322403140231 - 2³¹ = 320255656583 is a prime.

It is a super-2 number, since 2×322403140231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 322403140196 and 322403140205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322403140271) 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, 182974795 + ... + 182976556.

It is an arithmetic number, because the mean of its divisors is an integer number (80692273116).

Almost surely, 2^322403140231 is an apocalyptic number.

322403140231 is a deficient number, since it is larger than the sum of its proper divisors (365952233).

322403140231 is an equidigital number, since it uses as much as digits as its factorization.

322403140231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365952232.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 322403140231 its reverse (132041304223), we get a palindrome (454444444454).

The spelling of 322403140231 in words is "three hundred twenty-two billion, four hundred three million, one hundred forty thousand, two hundred thirty-one".