13115000031 has 8 divisors (see below), whose sum is σ = 19984761984. Its totient is φ = 7494285720.

The previous prime is 13115000029. The next prime is 13115000033. The reversal of 13115000031 is 13000051131.

It is an interprime number because it is at equal distance from previous prime (13115000029) and next prime (13115000033).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13115000031 - 2¹ = 13115000029 is a prime.

It is a super-2 number, since 2×13115000031² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13115000033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312261885 + ... + 312261926.

It is an arithmetic number, because the mean of its divisors is an integer number (2498095248).

Almost surely, 2^13115000031 is an apocalyptic number.

13115000031 is a deficient number, since it is larger than the sum of its proper divisors (6869761953).

13115000031 is an equidigital number, since it uses as much as digits as its factorization.

13115000031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624523821.

The product of its (nonzero) digits is 45, while the sum is 15.

Adding to 13115000031 its reverse (13000051131), we get a palindrome (26115051162).

The spelling of 13115000031 in words is "thirteen billion, one hundred fifteen million, thirty-one", and thus it is an aban number.