13231000022 has 4 divisors (see below), whose sum is σ = 19846500036. Its totient is φ = 6615500010.

The previous prime is 13231000019. The next prime is 13231000039. The reversal of 13231000022 is 22000013231.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 13230999970 and 13231000006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3307750004 + ... + 3307750007.

It is an arithmetic number, because the mean of its divisors is an integer number (4961625009).

Almost surely, 2^13231000022 is an apocalyptic number.

13231000022 is a deficient number, since it is larger than the sum of its proper divisors (6615500014).

13231000022 is an equidigital number, since it uses as much as digits as its factorization.

13231000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6615500013.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 13231000022 its reverse (22000013231), we get a palindrome (35231013253).

It can be divided in two parts, 132 and 31000022, that multiplied together give a palindrome (4092002904).

The spelling of 13231000022 in words is "thirteen billion, two hundred thirty-one million, twenty-two", and thus it is an aban number.