1344555431 has 8 divisors (see below), whose sum is σ = 1365715200. Its totient is φ = 1323499320.

The previous prime is 1344555419. The next prime is 1344555437. The reversal of 1344555431 is 1345554431.

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 1344555431 - 2³⁰ = 270813607 is a prime.

It is a super-2 number, since 2×1344555431² = 3615658614063191522, 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 = 1344555391 and 1344555400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344555437) 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, 440 + ... + 51858.

It is an arithmetic number, because the mean of its divisors is an integer number (170714400).

Almost surely, 2^1344555431 is an apocalyptic number.

1344555431 is a deficient number, since it is larger than the sum of its proper divisors (21159769).

1344555431 is an equidigital number, since it uses as much as digits as its factorization.

1344555431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51829.

The product of its digits is 72000, while the sum is 35.

The square root of 1344555431 is about 36668.1800884636. The cubic root of 1344555431 is about 1103.7216726325.

The spelling of 1344555431 in words is "one billion, three hundred forty-four million, five hundred fifty-five thousand, four hundred thirty-one".