231322302002131 has 8 divisors (see below), whose sum is σ = 241380652642560. Its totient is φ = 221264022965832.

The previous prime is 231322302002111. The next prime is 231322302002161. The reversal of 231322302002131 is 131200203223132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231322302002131 is a prime.

It is a super-2 number, since 2×231322302002131² (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 = 231322302002096 and 231322302002105.

It is not an unprimeable number, because it can be changed into a prime (231322302002111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11246785 + ... + 24272098.

It is an arithmetic number, because the mean of its divisors is an integer number (30172581580320).

Almost surely, 2^{231322302002131} is an apocalyptic number.

231322302002131 is a deficient number, since it is larger than the sum of its proper divisors (10058350640429).

231322302002131 is a wasteful number, since it uses less digits than its factorization.

231322302002131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35802065.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 231322302002131 its reverse (131200203223132), we get a palindrome (362522505225263).

The spelling of 231322302002131 in words is "two hundred thirty-one trillion, three hundred twenty-two billion, three hundred two million, two thousand, one hundred thirty-one".