130731703 has 4 divisors (see below), whose sum is σ = 131061400. Its totient is φ = 130402008.

The previous prime is 130731697. The next prime is 130731707. The reversal of 130731703 is 307137031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 307137031 = 1559 ⋅197009.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130731703 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 (130731707) 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, 164253 + ... + 165046.

It is an arithmetic number, because the mean of its divisors is an integer number (32765350).

Almost surely, 2^130731703 is an apocalyptic number.

130731703 is a deficient number, since it is larger than the sum of its proper divisors (329697).

130731703 is an equidigital number, since it uses as much as digits as its factorization.

130731703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329696.

The product of its (nonzero) digits is 1323, while the sum is 25.

The square root of 130731703 is about 11433.7965260888. The cubic root of 130731703 is about 507.5283496664.

Adding to 130731703 its reverse (307137031), we get a palindrome (437868734).

The spelling of 130731703 in words is "one hundred thirty million, seven hundred thirty-one thousand, seven hundred three".