13231102 has 4 divisors (see below), whose sum is σ = 19846656. Its totient is φ = 6615550.

The previous prime is 13231067. The next prime is 13231103. The reversal of 13231102 is 20113231.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13231103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3307774 + ... + 3307777.

It is an arithmetic number, because the mean of its divisors is an integer number (4961664).

Almost surely, 2^13231102 is an apocalyptic number.

13231102 is a deficient number, since it is larger than the sum of its proper divisors (6615554).

13231102 is an equidigital number, since it uses as much as digits as its factorization.

13231102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6615553.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 13231102 is about 3637.4581784537. The cubic root of 13231102 is about 236.5186215106.

Adding to 13231102 its reverse (20113231), we get a palindrome (33344333).

The spelling of 13231102 in words is "thirteen million, two hundred thirty-one thousand, one hundred two".