131002232 has 16 divisors (see below), whose sum is σ = 245750640. Its totient is φ = 65468736.

The previous prime is 131002231. The next prime is 131002247. The reversal of 131002232 is 232200131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131002231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29468 + ... + 33620.

It is an arithmetic number, because the mean of its divisors is an integer number (15359415).

Almost surely, 2^131002232 is an apocalyptic number.

It is an amenable number.

131002232 is a deficient number, since it is larger than the sum of its proper divisors (114748408).

131002232 is a wasteful number, since it uses less digits than its factorization.

131002232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8102 (or 8098 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 131002232 is about 11445.6206472170. The cubic root of 131002232 is about 507.8781922185.

Adding to 131002232 its reverse (232200131), we get a palindrome (363202363).

The spelling of 131002232 in words is "one hundred thirty-one million, two thousand, two hundred thirty-two".