13235231015 has 16 divisors (see below), whose sum is σ = 15926203776. Its totient is φ = 10558944000.

The previous prime is 13235231003. The next prime is 13235231027. The reversal of 13235231015 is 51013253231.

It is an interprime number because it is at equal distance from previous prime (13235231003) and next prime (13235231027).

It is not a de Polignac number, because 13235231015 - 2¹⁰ = 13235229991 is a prime.

It is a Duffinian number.

It is a congruent 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, 3643250 + ... + 3646880.

It is an arithmetic number, because the mean of its divisors is an integer number (995387736).

Almost surely, 2^13235231015 is an apocalyptic number.

13235231015 is a deficient number, since it is larger than the sum of its proper divisors (2690972761).

13235231015 is a wasteful number, since it uses less digits than its factorization.

13235231015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5450.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 13235231015 its reverse (51013253231), we get a palindrome (64248484246).

The spelling of 13235231015 in words is "thirteen billion, two hundred thirty-five million, two hundred thirty-one thousand, fifteen".