131030401252 has 48 divisors (see below), whose sum is σ = 248356454080. Its totient is φ = 60277219200.

The previous prime is 131030401193. The next prime is 131030401253. The reversal of 131030401252 is 252104030131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (131030401253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1478227 + ... + 1564357.

Almost surely, 2^131030401252 is an apocalyptic number.

It is an amenable number.

131030401252 is a deficient number, since it is larger than the sum of its proper divisors (117326052828).

131030401252 is a wasteful number, since it uses less digits than its factorization.

131030401252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86732 (or 86730 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 131030401252 its reverse (252104030131), we get a palindrome (383134431383).

The spelling of 131030401252 in words is "one hundred thirty-one billion, thirty million, four hundred one thousand, two hundred fifty-two".