322140303231 has 4 divisors (see below), whose sum is σ = 429520404312. Its totient is φ = 214760202152.

The previous prime is 322140303211. The next prime is 322140303239. The reversal of 322140303231 is 132303041223.

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 322140303231 - 2²³ = 322131914623 is a prime.

It is a super-2 number, since 2×322140303231² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322140303239) 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, 53690050536 + ... + 53690050541.

It is an arithmetic number, because the mean of its divisors is an integer number (107380101078).

Almost surely, 2^322140303231 is an apocalyptic number.

322140303231 is a deficient number, since it is larger than the sum of its proper divisors (107380101081).

322140303231 is a wasteful number, since it uses less digits than its factorization.

322140303231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107380101080.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 322140303231 its reverse (132303041223), we get a palindrome (454443344454).

The spelling of 322140303231 in words is "three hundred twenty-two billion, one hundred forty million, three hundred three thousand, two hundred thirty-one".