1344120131 has 4 divisors (see below), whose sum is σ = 1353790200. Its totient is φ = 1334450064.

The previous prime is 1344120109. The next prime is 1344120133. The reversal of 1344120131 is 1310214431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1310214431 = 53 ⋅24721027.

It is a cyclic number.

It is not a de Polignac number, because 1344120131 - 2¹⁰ = 1344119107 is a prime.

It is a super-2 number, since 2×1344120131² = 3613317853118914322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1344120133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4834826 + ... + 4835103.

It is an arithmetic number, because the mean of its divisors is an integer number (338447550).

Almost surely, 2^1344120131 is an apocalyptic number.

1344120131 is a deficient number, since it is larger than the sum of its proper divisors (9670069).

1344120131 is an equidigital number, since it uses as much as digits as its factorization.

1344120131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9670068.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1344120131 is about 36662.2439438723. The cubic root of 1344120131 is about 1103.6025497634.

Adding to 1344120131 its reverse (1310214431), we get a palindrome (2654334562).

The spelling of 1344120131 in words is "one billion, three hundred forty-four million, one hundred twenty thousand, one hundred thirty-one".