131002003 has 8 divisors (see below), whose sum is σ = 143956080. Its totient is φ = 118222080.

The previous prime is 131001991. The next prime is 131002009. The reversal of 131002003 is 300200131.

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

It is a cyclic number.

It is not a de Polignac number, because 131002003 - 2¹⁷ = 130870931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131002009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41958 + ... + 44971.

It is an arithmetic number, because the mean of its divisors is an integer number (17994510).

Almost surely, 2^131002003 is an apocalyptic number.

131002003 is a deficient number, since it is larger than the sum of its proper divisors (12954077).

131002003 is a wasteful number, since it uses less digits than its factorization.

131002003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87077.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 131002003 is about 11445.6106433864. The cubic root of 131002003 is about 507.8778962842.

Adding to 131002003 its reverse (300200131), we get a palindrome (431202134).

The spelling of 131002003 in words is "one hundred thirty-one million, two thousand, three".