131502332 has 12 divisors (see below), whose sum is σ = 247831416. Its totient is φ = 60693360.

The previous prime is 131502311. The next prime is 131502337. The reversal of 131502332 is 233205131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131502337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1264394 + ... + 1264497.

It is an arithmetic number, because the mean of its divisors is an integer number (20652618).

Almost surely, 2^131502332 is an apocalyptic number.

It is an amenable number.

131502332 is a deficient number, since it is larger than the sum of its proper divisors (116329084).

131502332 is a wasteful number, since it uses less digits than its factorization.

131502332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2528908 (or 2528906 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 131502332 is about 11467.4466207609. The cubic root of 131502332 is about 508.5236452572.

Adding to 131502332 its reverse (233205131), we get a palindrome (364707463).

The spelling of 131502332 in words is "one hundred thirty-one million, five hundred two thousand, three hundred thirty-two".