13444142131 has 8 divisors (see below), whose sum is σ = 15413205600. Its totient is φ = 11487196608.

The previous prime is 13444142087. The next prime is 13444142197. The reversal of 13444142131 is 13124144431.

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

It is a cyclic number.

It is not a de Polignac number, because 13444142131 - 2²⁵ = 13410587699 is a prime.

It is a super-2 number, since 2×13444142131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13444142131.

It is not an unprimeable number, because it can be changed into a prime (13474142131) 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, 3027106 + ... + 3031543.

It is an arithmetic number, because the mean of its divisors is an integer number (1926650700).

Almost surely, 2^13444142131 is an apocalyptic number.

13444142131 is a deficient number, since it is larger than the sum of its proper divisors (1969063469).

13444142131 is an equidigital number, since it uses as much as digits as its factorization.

13444142131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6058973.

The product of its digits is 4608, while the sum is 28.

Adding to 13444142131 its reverse (13124144431), we get a palindrome (26568286562).

The spelling of 13444142131 in words is "thirteen billion, four hundred forty-four million, one hundred forty-two thousand, one hundred thirty-one".