13444503131 has 8 divisors (see below), whose sum is σ = 13472382000. Its totient is φ = 13416652800.

The previous prime is 13444503103. The next prime is 13444503133. The reversal of 13444503131 is 13130544431.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13444503131 is a prime.

It is a super-2 number, since 2×13444503131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13444503094 and 13444503103.

It is not an unprimeable number, because it can be changed into a prime (13444503133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1109795 + ... + 1121843.

It is an arithmetic number, because the mean of its divisors is an integer number (1684047750).

Almost surely, 2^13444503131 is an apocalyptic number.

13444503131 is a deficient number, since it is larger than the sum of its proper divisors (27878869).

13444503131 is a wasteful number, since it uses less digits than its factorization.

13444503131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14269.

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 13444503131 in words is "thirteen billion, four hundred forty-four million, five hundred three thousand, one hundred thirty-one".