15131311122103 has 16 divisors (see below), whose sum is σ = 16838298347904. Its totient is φ = 13481643843360.

The previous prime is 15131311122097. The next prime is 15131311122197. The reversal of 15131311122103 is 30122111313151.

15131311122103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-15131311122103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15131311152103) 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, 51963825 + ... + 52254202.

It is an arithmetic number, because the mean of its divisors is an integer number (1052393646744).

Almost surely, 2^{15131311122103} is an apocalyptic number.

15131311122103 is a deficient number, since it is larger than the sum of its proper divisors (1706987225801).

15131311122103 is a wasteful number, since it uses less digits than its factorization.

15131311122103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104218302.

The product of its (nonzero) digits is 540, while the sum is 25.

Adding to 15131311122103 its reverse (30122111313151), we get a palindrome (45253422435254).

The spelling of 15131311122103 in words is "fifteen trillion, one hundred thirty-one billion, three hundred eleven million, one hundred twenty-two thousand, one hundred three".