323021022131 has 4 divisors (see below), whose sum is σ = 327570614064. Its totient is φ = 318471430200.

The previous prime is 323021022089. The next prime is 323021022133. The reversal of 323021022131 is 131220120323.

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 323021022131 - 2³⁸ = 48143115187 is a prime.

It is a super-2 number, since 2×323021022131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (323021022133) 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, 2274795860 + ... + 2274796001.

It is an arithmetic number, because the mean of its divisors is an integer number (81892653516).

Almost surely, 2^323021022131 is an apocalyptic number.

323021022131 is a deficient number, since it is larger than the sum of its proper divisors (4549591933).

323021022131 is an equidigital number, since it uses as much as digits as its factorization.

323021022131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4549591932.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 323021022131 its reverse (131220120323), we get a palindrome (454241142454).

The spelling of 323021022131 in words is "three hundred twenty-three billion, twenty-one million, twenty-two thousand, one hundred thirty-one".