140310343 has 2 divisors, whose sum is σ = 140310344. Its totient is φ = 140310342.

The previous prime is 140310337. The next prime is 140310389. The reversal of 140310343 is 343013041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140310343 - 2¹⁷ = 140179271 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140310343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140310943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70155171 + 70155172.

It is an arithmetic number, because the mean of its divisors is an integer number (70155172).

Almost surely, 2^140310343 is an apocalyptic number.

140310343 is a deficient number, since it is larger than the sum of its proper divisors (1).

140310343 is an equidigital number, since it uses as much as digits as its factorization.

140310343 is an evil number, because the sum of its binary digits is even.

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

The square root of 140310343 is about 11845.2666918056. The cubic root of 140310343 is about 519.6328065991.

Adding to 140310343 its reverse (343013041), we get a palindrome (483323384).

The spelling of 140310343 in words is "one hundred forty million, three hundred ten thousand, three hundred forty-three".