13115231024 has 60 divisors (see below), whose sum is σ = 29578562208. Its totient is φ = 5617180800.

The previous prime is 13115230987. The next prime is 13115231029. The reversal of 13115231024 is 42013251131.

It is a super-3 number, since 3×13115231024³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (13115231029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1462394 + ... + 1471334.

Almost surely, 2^13115231024 is an apocalyptic number.

13115231024 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13115231024 is an abundant number, since it is smaller than the sum of its proper divisors (16463331184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13115231024 is a wasteful number, since it uses less digits than its factorization.

13115231024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10834 (or 10821 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 13115231024 its reverse (42013251131), we get a palindrome (55128482155).

The spelling of 13115231024 in words is "thirteen billion, one hundred fifteen million, two hundred thirty-one thousand, twenty-four".