13233112431 has 24 divisors (see below), whose sum is σ = 22390723584. Its totient is φ = 6874343280.

The previous prime is 13233112429. The next prime is 13233112433. The reversal of 13233112431 is 13421133231.

It is an interprime number because it is at equal distance from previous prime (13233112429) and next prime (13233112433).

It is not a de Polignac number, because 13233112431 - 2¹ = 13233112429 is a prime.

It is a super-2 number, since 2×13233112431² (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 (13233112433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4090255 + ... + 4093488.

It is an arithmetic number, because the mean of its divisors is an integer number (932946816).

Almost surely, 2^13233112431 is an apocalyptic number.

13233112431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13233112431 is a deficient number, since it is larger than the sum of its proper divisors (9157611153).

13233112431 is a wasteful number, since it uses less digits than its factorization.

13233112431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8183771 (or 8183764 counting only the distinct ones).

The product of its digits is 1296, while the sum is 24.

Adding to 13233112431 its reverse (13421133231), we get a palindrome (26654245662).

The spelling of 13233112431 in words is "thirteen billion, two hundred thirty-three million, one hundred twelve thousand, four hundred thirty-one".