1344542431 has 8 divisors (see below), whose sum is σ = 1352181600. Its totient is φ = 1336923360.

The previous prime is 1344542417. The next prime is 1344542449. The reversal of 1344542431 is 1342454431.

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 1344542431 - 2²³ = 1336153823 is a prime.

It is a super-2 number, since 2×1344542431² = 3615588697518779522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1344542393 and 1344542402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344542411) 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, 140910 + ... + 150148.

It is an arithmetic number, because the mean of its divisors is an integer number (169022700).

Almost surely, 2^1344542431 is an apocalyptic number.

1344542431 is a deficient number, since it is larger than the sum of its proper divisors (7639169).

1344542431 is an equidigital number, since it uses as much as digits as its factorization.

1344542431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10049.

The product of its digits is 23040, while the sum is 31.

The square root of 1344542431 is about 36668.0028226245. The cubic root of 1344542431 is about 1103.7181154647.

Adding to 1344542431 its reverse (1342454431), we get a palindrome (2686996862).

The spelling of 1344542431 in words is "one billion, three hundred forty-four million, five hundred forty-two thousand, four hundred thirty-one".