1344112321531 has 8 divisors (see below), whose sum is σ = 1547854539264. Its totient is φ = 1143301646760.

The previous prime is 1344112321469. The next prime is 1344112321561. The reversal of 1344112321531 is 1351232114431.

It is a happy number.

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

It is not a de Polignac number, because 1344112321531 - 2²⁵ = 1344078767099 is a prime.

It is a super-2 number, since 2×1344112321531² (a number of 25 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 = 1344112321493 and 1344112321502.

It is not an unprimeable number, because it can be changed into a prime (1344112321561) 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, 732884755 + ... + 732886588.

It is an arithmetic number, because the mean of its divisors is an integer number (193481817408).

Almost surely, 2^{1344112321531} is an apocalyptic number.

1344112321531 is a deficient number, since it is larger than the sum of its proper divisors (203742217733).

1344112321531 is a wasteful number, since it uses less digits than its factorization.

1344112321531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465771481.

The product of its digits is 8640, while the sum is 31.

Adding to 1344112321531 its reverse (1351232114431), we get a palindrome (2695344435962).

The spelling of 1344112321531 in words is "one trillion, three hundred forty-four billion, one hundred twelve million, three hundred twenty-one thousand, five hundred thirty-one".