131156003 has 12 divisors (see below), whose sum is σ = 151994472. Its totient is φ = 112216320.

The previous prime is 131155987. The next prime is 131156017. The reversal of 131156003 is 300651131.

It is a happy number.

It is not a de Polignac number, because 131156003 - 2⁴ = 131155987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131156093) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17450 + ... + 23807.

It is an arithmetic number, because the mean of its divisors is an integer number (12666206).

Almost surely, 2^131156003 is an apocalyptic number.

131156003 is a deficient number, since it is larger than the sum of its proper divisors (20838469).

131156003 is a wasteful number, since it uses less digits than its factorization.

131156003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41302 (or 41285 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 131156003 is about 11452.3361372255. The cubic root of 131156003 is about 508.0768310747.

The spelling of 131156003 in words is "one hundred thirty-one million, one hundred fifty-six thousand, three".