321232300131 has 4 divisors (see below), whose sum is σ = 428309733512. Its totient is φ = 214154866752.

The previous prime is 321232300127. The next prime is 321232300133. The reversal of 321232300131 is 131003232123.

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

It is not a de Polignac number, because 321232300131 - 2² = 321232300127 is a prime.

It is a super-2 number, since 2×321232300131² (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 = 321232300098 and 321232300107.

It is not an unprimeable number, because it can be changed into a prime (321232300133) 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, 53538716686 + ... + 53538716691.

It is an arithmetic number, because the mean of its divisors is an integer number (107077433378).

Almost surely, 2^321232300131 is an apocalyptic number.

321232300131 is a deficient number, since it is larger than the sum of its proper divisors (107077433381).

321232300131 is a wasteful number, since it uses less digits than its factorization.

321232300131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107077433380.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 321232300131 its reverse (131003232123), we get a palindrome (452235532254).

The spelling of 321232300131 in words is "three hundred twenty-one billion, two hundred thirty-two million, three hundred thousand, one hundred thirty-one".