131040332 has 12 divisors (see below), whose sum is σ = 231464520. Its totient is φ = 64907616.

The previous prime is 131040331. The next prime is 131040353. The reversal of 131040332 is 233040131.

It is a happy number.

It is a super-2 number, since 2×131040332² = 34343137221340448, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131040332.

It is not an unprimeable number, because it can be changed into a prime (131040331) 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, 152657 + ... + 153512.

It is an arithmetic number, because the mean of its divisors is an integer number (19288710).

Almost surely, 2^131040332 is an apocalyptic number.

It is an amenable number.

131040332 is a deficient number, since it is larger than the sum of its proper divisors (100424188).

131040332 is a wasteful number, since it uses less digits than its factorization.

131040332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306280 (or 306278 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 131040332 is about 11447.2849182677. The cubic root of 131040332 is about 507.9274236533.

Adding to 131040332 its reverse (233040131), we get a palindrome (364080463).

The spelling of 131040332 in words is "one hundred thirty-one million, forty thousand, three hundred thirty-two".