1400031343 has 2 divisors, whose sum is σ = 1400031344. Its totient is φ = 1400031342.

The previous prime is 1400031317. The next prime is 1400031377. The reversal of 1400031343 is 3431300041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1400031343 - 2²⁵ = 1366476911 is a prime.

It is a super-2 number, since 2×1400031343² = 3920175522764767298, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1400031343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1400031383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700015671 + 700015672.

It is an arithmetic number, because the mean of its divisors is an integer number (700015672).

Almost surely, 2^1400031343 is an apocalyptic number.

1400031343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400031343 is an equidigital number, since it uses as much as digits as its factorization.

1400031343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1400031343 is about 37416.9927038505. The cubic root of 1400031343 is about 1118.6972903685.

Adding to 1400031343 its reverse (3431300041), we get a palindrome (4831331384).

The spelling of 1400031343 in words is "one billion, four hundred million, thirty-one thousand, three hundred forty-three".