131310222231 has 16 divisors (see below), whose sum is σ = 182713800960. Its totient is φ = 83724284160.

The previous prime is 131310222209. The next prime is 131310222247. The reversal of 131310222231 is 132222013131.

It is not a de Polignac number, because 131310222231 - 2⁶ = 131310222167 is a prime.

It is a super-2 number, since 2×131310222231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131310222198 and 131310222207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131310222931) 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 15 ways as a sum of consecutive naturals, for example, 509536 + ... + 722666.

It is an arithmetic number, because the mean of its divisors is an integer number (11419612560).

Almost surely, 2^131310222231 is an apocalyptic number.

131310222231 is a deficient number, since it is larger than the sum of its proper divisors (51403578729).

131310222231 is a wasteful number, since it uses less digits than its factorization.

131310222231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222086.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 131310222231 its reverse (132222013131), we get a palindrome (263532235362).

The spelling of 131310222231 in words is "one hundred thirty-one billion, three hundred ten million, two hundred twenty-two thousand, two hundred thirty-one".