131552012 has 24 divisors (see below), whose sum is σ = 235312896. Its totient is φ = 64335888.

The previous prime is 131552011. The next prime is 131552017. The reversal of 131552012 is 210255131.

It is a happy number.

It is a super-2 number, since 2×131552012² = 34611863722496288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131552011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32273 + ... + 36119.

It is an arithmetic number, because the mean of its divisors is an integer number (9804704).

Almost surely, 2^131552012 is an apocalyptic number.

It is an amenable number.

131552012 is a deficient number, since it is larger than the sum of its proper divisors (103760884).

131552012 is a wasteful number, since it uses less digits than its factorization.

131552012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4037 (or 4035 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 131552012 is about 11469.6125479460. The cubic root of 131552012 is about 508.5876752344.

The spelling of 131552012 in words is "one hundred thirty-one million, five hundred fifty-two thousand, twelve".