131030252 has 12 divisors (see below), whose sum is σ = 229407696. Its totient is φ = 65485200.

The previous prime is 131030243. The next prime is 131030267. The reversal of 131030252 is 252030131.

It is a self number, because there is not a number n which added to its sum of digits gives 131030252.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4502 + ... + 16802.

It is an arithmetic number, because the mean of its divisors is an integer number (19117308).

Almost surely, 2^131030252 is an apocalyptic number.

It is an amenable number.

131030252 is a deficient number, since it is larger than the sum of its proper divisors (98377444).

131030252 is a wasteful number, since it uses less digits than its factorization.

131030252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14968 (or 14966 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 131030252 is about 11446.8446307268. The cubic root of 131030252 is about 507.9143995722.

Adding to 131030252 its reverse (252030131), we get a palindrome (383060383).

The spelling of 131030252 in words is "one hundred thirty-one million, thirty thousand, two hundred fifty-two".