1344401131 has 2 divisors, whose sum is σ = 1344401132. Its totient is φ = 1344401130.

The previous prime is 1344401099. The next prime is 1344401147. The reversal of 1344401131 is 1311044431.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1311044431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1344401131 - 2⁵ = 1344401099 is a prime.

It is a super-2 number, since 2×1344401131² = 3614828802068158322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1344701131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672200565 + 672200566.

It is an arithmetic number, because the mean of its divisors is an integer number (672200566).

Almost surely, 2^1344401131 is an apocalyptic number.

1344401131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344401131 is an equidigital number, since it uses as much as digits as its factorization.

1344401131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1344401131 is about 36666.0760240307. The cubic root of 1344401131 is about 1103.6794503075.

Adding to 1344401131 its reverse (1311044431), we get a palindrome (2655445562).

The spelling of 1344401131 in words is "one billion, three hundred forty-four million, four hundred one thousand, one hundred thirty-one".