131003956 has 6 divisors (see below), whose sum is σ = 229256930. Its totient is φ = 65501976.

The previous prime is 131003911. The next prime is 131003987. The reversal of 131003956 is 659300131.

It can be written as a sum of positive squares in only one way, i.e., 66683556 + 64320400 = 8166^2 + 8020^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16375491 + ... + 16375498.

Almost surely, 2^131003956 is an apocalyptic number.

It is an amenable number.

131003956 is a deficient number, since it is larger than the sum of its proper divisors (98252974).

131003956 is a wasteful number, since it uses less digits than its factorization.

131003956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32750993 (or 32750991 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 131003956 is about 11445.6959596173. The cubic root of 131003956 is about 507.8804201148.

The spelling of 131003956 in words is "one hundred thirty-one million, three thousand, nine hundred fifty-six".