131403003 has 8 divisors (see below), whose sum is σ = 175856400. Its totient is φ = 87275808.

The previous prime is 131402989. The next prime is 131403007. The reversal of 131403003 is 300304131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131403003 - 2⁴ = 131402987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131403007) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 80608 + ... + 82221.

It is an arithmetic number, because the mean of its divisors is an integer number (21982050).

Almost surely, 2^131403003 is an apocalyptic number.

131403003 is a deficient number, since it is larger than the sum of its proper divisors (44453397).

131403003 is a wasteful number, since it uses less digits than its factorization.

131403003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163101.

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

The square root of 131403003 is about 11463.1148908139. The cubic root of 131403003 is about 508.3955768865.

Adding to 131403003 its reverse (300304131), we get a palindrome (431707134).

The spelling of 131403003 in words is "one hundred thirty-one million, four hundred three thousand, three".