13228431807 has 32 divisors (see below), whose sum is σ = 19824076800. Its totient is φ = 7805663712.

The previous prime is 13228431803. The next prime is 13228431823. The reversal of 13228431807 is 70813482231.

It is not a de Polignac number, because 13228431807 - 2² = 13228431803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13228431803) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60957 + ... + 173702.

It is an arithmetic number, because the mean of its divisors is an integer number (619502400).

Almost surely, 2^13228431807 is an apocalyptic number.

13228431807 is a deficient number, since it is larger than the sum of its proper divisors (6595644993).

13228431807 is a wasteful number, since it uses less digits than its factorization.

13228431807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234747.

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 13228431807 in words is "thirteen billion, two hundred twenty-eight million, four hundred thirty-one thousand, eight hundred seven".