131422423225 has 6 divisors (see below), whose sum is σ = 162963804830. Its totient is φ = 105137938560.

The previous prime is 131422423207. The next prime is 131422423247. The reversal of 131422423225 is 522324224131.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 31235613696 + 100186809529 = 176736^2 + 316523^2 .

It is not a de Polignac number, because 131422423225 - 2⁵ = 131422423193 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2628448440 + ... + 2628448489.

Almost surely, 2^131422423225 is an apocalyptic number.

It is an amenable number.

131422423225 is a deficient number, since it is larger than the sum of its proper divisors (31541381605).

131422423225 is an equidigital number, since it uses as much as digits as its factorization.

131422423225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5256896939 (or 5256896934 counting only the distinct ones).

The product of its digits is 23040, while the sum is 31.

Adding to 131422423225 its reverse (522324224131), we get a palindrome (653746647356).

The spelling of 131422423225 in words is "one hundred thirty-one billion, four hundred twenty-two million, four hundred twenty-three thousand, two hundred twenty-five".