131422044213 has 20 divisors (see below), whose sum is σ = 196350801900. Its totient is φ = 87601761792.

The previous prime is 131422044199. The next prime is 131422044223. The reversal of 131422044213 is 312440224131.

131422044213 is a `hidden beast` number, since 1 + 3 + 14 + 220 + 4 + 421 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 91239035364 + 40183008849 = 302058^2 + 200457^2 .

It is not a de Polignac number, because 131422044213 - 2⁵ = 131422044181 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131422044223) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 448863 + ... + 681411.

It is an arithmetic number, because the mean of its divisors is an integer number (9817540095).

Almost surely, 2^131422044213 is an apocalyptic number.

It is an amenable number.

131422044213 is a deficient number, since it is larger than the sum of its proper divisors (64928757687).

131422044213 is an equidigital number, since it uses as much as digits as its factorization.

131422044213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239538 (or 239529 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 131422044213 its reverse (312440224131), we get a palindrome (443862268344).

The spelling of 131422044213 in words is "one hundred thirty-one billion, four hundred twenty-two million, forty-four thousand, two hundred thirteen".