131304003 has 24 divisors (see below), whose sum is σ = 190780416. Its totient is φ = 80233200.

The previous prime is 131303999. The next prime is 131304007. The reversal of 131304003 is 300403131.

It is an interprime number because it is at equal distance from previous prime (131303999) and next prime (131304007).

It is not a de Polignac number, because 131304003 - 2² = 131303999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131304007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31618 + ... + 35528.

It is an arithmetic number, because the mean of its divisors is an integer number (7949184).

Almost surely, 2^131304003 is an apocalyptic number.

131304003 is a deficient number, since it is larger than the sum of its proper divisors (59476413).

131304003 is a wasteful number, since it uses less digits than its factorization.

131304003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3983 (or 3964 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 131304003 is about 11458.7958791489. The cubic root of 131304003 is about 508.2678684724.

Adding to 131304003 its reverse (300403131), we get a palindrome (431707134).

The spelling of 131304003 in words is "one hundred thirty-one million, three hundred four thousand, three".