13531044122 has 4 divisors (see below), whose sum is σ = 20296566186. Its totient is φ = 6765522060.

The previous prime is 13531044113. The next prime is 13531044193. The reversal of 13531044122 is 22144013531.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 13523596681 + 7447441 = 116291^2 + 2729^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13531044091 and 13531044100.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3382761029 + ... + 3382761032.

Almost surely, 2^13531044122 is an apocalyptic number.

13531044122 is a deficient number, since it is larger than the sum of its proper divisors (6765522064).

13531044122 is an equidigital number, since it uses as much as digits as its factorization.

13531044122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6765522063.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 13531044122 its reverse (22144013531), we get a palindrome (35675057653).

The spelling of 13531044122 in words is "thirteen billion, five hundred thirty-one million, forty-four thousand, one hundred twenty-two".