231022201320131 has 8 divisors (see below), whose sum is σ = 248987661511680. Its totient is φ = 213084529932672.

The previous prime is 231022201320047. The next prime is 231022201320149. The reversal of 231022201320131 is 131023102220132.

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-231022201320131 is a prime.

It is a super-2 number, since 2×231022201320131² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231022201320097 and 231022201320106.

It is not an unprimeable number, because it can be changed into a prime (231022201320931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6947183750 + ... + 6947217003.

It is an arithmetic number, because the mean of its divisors is an integer number (31123457688960).

Almost surely, 2^{231022201320131} is an apocalyptic number.

231022201320131 is a deficient number, since it is larger than the sum of its proper divisors (17965460191549).

231022201320131 is a wasteful number, since it uses less digits than its factorization.

231022201320131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13894402045.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 231022201320131 its reverse (131023102220132), we get a palindrome (362045303540263).

Subtracting from 231022201320131 its reverse (131023102220132), we obtain a palindrome (99999099099999).

The spelling of 231022201320131 in words is "two hundred thirty-one trillion, twenty-two billion, two hundred one million, three hundred twenty thousand, one hundred thirty-one".