231322301322131 has 4 divisors (see below), whose sum is σ = 231322342268064. Its totient is φ = 231322260376200.

The previous prime is 231322301322097. The next prime is 231322301322149. The reversal of 231322301322131 is 131223103223132.

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 231322301322131 - 2¹⁰ = 231322301321107 is a prime.

It is a super-2 number, since 2×231322301322131² (a number of 30 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 = 231322301322094 and 231322301322103.

It is not an unprimeable number, because it can be changed into a prime (231322301322331) 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, 10320635 + ... + 23857076.

It is an arithmetic number, because the mean of its divisors is an integer number (57830585567016).

Almost surely, 2^{231322301322131} is an apocalyptic number.

231322301322131 is a deficient number, since it is larger than the sum of its proper divisors (40945933).

231322301322131 is an equidigital number, since it uses as much as digits as its factorization.

231322301322131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40945932.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 231322301322131 its reverse (131223103223132), we get a palindrome (362545404545263).

The spelling of 231322301322131 in words is "two hundred thirty-one trillion, three hundred twenty-two billion, three hundred one million, three hundred twenty-two thousand, one hundred thirty-one".