131312300022 has 24 divisors (see below), whose sum is σ = 284571049464. Its totient is φ = 43761371904.

The previous prime is 131312299973. The next prime is 131312300029. The reversal of 131312300022 is 220003213131.

131312300022 is a `hidden beast` number, since 1 + 31 + 312 + 300 + 0 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 131312299968 and 131312300004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131312300029) 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 11 ways as a sum of consecutive naturals, for example, 696448 + ... + 864675.

It is an arithmetic number, because the mean of its divisors is an integer number (11857127061).

Almost surely, 2^131312300022 is an apocalyptic number.

131312300022 is an abundant number, since it is smaller than the sum of its proper divisors (153258749442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131312300022 is a wasteful number, since it uses less digits than its factorization.

131312300022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565804 (or 1565801 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 131312300022 its reverse (220003213131), we get a palindrome (351315513153).

The spelling of 131312300022 in words is "one hundred thirty-one billion, three hundred twelve million, three hundred thousand, twenty-two".