13103131345 has 16 divisors (see below), whose sum is σ = 16173831168. Its totient is φ = 10183337280.

The previous prime is 13103131339. The next prime is 13103131357. The reversal of 13103131345 is 54313130131.

It is not a de Polignac number, because 13103131345 - 2⁵ = 13103131313 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64960 + ... + 174430.

It is an arithmetic number, because the mean of its divisors is an integer number (1010864448).

Almost surely, 2^13103131345 is an apocalyptic number.

It is an amenable number.

13103131345 is a deficient number, since it is larger than the sum of its proper divisors (3070699823).

13103131345 is a wasteful number, since it uses less digits than its factorization.

13103131345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110160.

The product of its (nonzero) digits is 1620, while the sum is 25.

Adding to 13103131345 its reverse (54313130131), we get a palindrome (67416261476).

The spelling of 13103131345 in words is "thirteen billion, one hundred three million, one hundred thirty-one thousand, three hundred forty-five".