13231342100 has 18 divisors (see below), whose sum is σ = 28712012574. Its totient is φ = 5292536800.

The previous prime is 13231342013. The next prime is 13231342109. The reversal of 13231342100 is 124313231.

It can be written as a sum of positive squares in 3 ways, for example, as 3233741956 + 9997600144 = 56866^2 + 99988^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13231342109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66156611 + ... + 66156810.

Almost surely, 2^13231342100 is an apocalyptic number.

13231342100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13231342100 is an abundant number, since it is smaller than the sum of its proper divisors (15480670474).

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

13231342100 is a wasteful number, since it uses less digits than its factorization.

13231342100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132313435 (or 132313428 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13231342100 its reverse (124313231), we get a palindrome (13355655331).

The spelling of 13231342100 in words is "thirteen billion, two hundred thirty-one million, three hundred forty-two thousand, one hundred".