1344131031 has 4 divisors (see below), whose sum is σ = 1792174712. Its totient is φ = 896087352.

The previous prime is 1344131011. The next prime is 1344131071. The reversal of 1344131031 is 1301314431.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-1344131031 is a prime.

It is a super-2 number, since 2×1344131031² = 3613376456994245922, 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 = 1344130989 and 1344131007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344131011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224021836 + ... + 224021841.

It is an arithmetic number, because the mean of its divisors is an integer number (448043678).

Almost surely, 2^1344131031 is an apocalyptic number.

1344131031 is a deficient number, since it is larger than the sum of its proper divisors (448043681).

1344131031 is an equidigital number, since it uses as much as digits as its factorization.

1344131031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448043680.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1344131031 is about 36662.3925978652. The cubic root of 1344131031 is about 1103.6055329380.

Adding to 1344131031 its reverse (1301314431), we get a palindrome (2645445462).

The spelling of 1344131031 in words is "one billion, three hundred forty-four million, one hundred thirty-one thousand, thirty-one".