7131318103 has 16 divisors (see below), whose sum is σ = 8802339840. Its totient is φ = 5626076256.

The previous prime is 7131318091. The next prime is 7131318113. The reversal of 7131318103 is 3018131317.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7131318103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7131318113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81343 + ... + 144496.

It is an arithmetic number, because the mean of its divisors is an integer number (550146240).

Almost surely, 2^7131318103 is an apocalyptic number.

7131318103 is a deficient number, since it is larger than the sum of its proper divisors (1671021737).

7131318103 is a wasteful number, since it uses less digits than its factorization.

7131318103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226206.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 7131318103 is about 84447.1319998495. The cubic root of 7131318103 is about 1924.8191748289.

The spelling of 7131318103 in words is "seven billion, one hundred thirty-one million, three hundred eighteen thousand, one hundred three".