131302103 has 4 divisors (see below), whose sum is σ = 138212760. Its totient is φ = 124391448.

The previous prime is 131302097. The next prime is 131302109. The reversal of 131302103 is 301203131.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (131302097) and next prime (131302109).

It is a cyclic number.

It is not a de Polignac number, because 131302103 - 2¹⁸ = 131039959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131302109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3455300 + ... + 3455337.

It is an arithmetic number, because the mean of its divisors is an integer number (34553190).

Almost surely, 2^131302103 is an apocalyptic number.

131302103 is a deficient number, since it is larger than the sum of its proper divisors (6910657).

131302103 is an equidigital number, since it uses as much as digits as its factorization.

131302103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6910656.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 131302103 is about 11458.7129731048. The cubic root of 131302103 is about 508.2654168752.

Adding to 131302103 its reverse (301203131), we get a palindrome (432505234).

The spelling of 131302103 in words is "one hundred thirty-one million, three hundred two thousand, one hundred three".