13151031115 has 4 divisors (see below), whose sum is σ = 15781237344. Its totient is φ = 10520824888.

The previous prime is 13151031083. The next prime is 13151031167. The reversal of 13151031115 is 51113015131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51113015131 = 281 ⋅181896851.

It is a cyclic number.

It is not a de Polignac number, because 13151031115 - 2⁵ = 13151031083 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1315103107 + ... + 1315103116.

It is an arithmetic number, because the mean of its divisors is an integer number (3945309336).

Almost surely, 2^13151031115 is an apocalyptic number.

13151031115 is a deficient number, since it is larger than the sum of its proper divisors (2630206229).

13151031115 is an equidigital number, since it uses as much as digits as its factorization.

13151031115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2630206228.

The product of its (nonzero) digits is 225, while the sum is 22.

Adding to 13151031115 its reverse (51113015131), we get a palindrome (64264046246).

The spelling of 13151031115 in words is "thirteen billion, one hundred fifty-one million, thirty-one thousand, one hundred fifteen".