1340203301 has 2 divisors, whose sum is σ = 1340203302. Its totient is φ = 1340203300.

The previous prime is 1340203289. The next prime is 1340203309. The reversal of 1340203301 is 1033020431.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1020866401 + 319336900 = 31951^2 + 17870^2 .

It is a cyclic number.

It is not a de Polignac number, because 1340203301 - 2⁶ = 1340203237 is a prime.

It is a super-2 number, since 2×1340203301² = 3592289776022593202, 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 1340203301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1340203309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670101650 + 670101651.

It is an arithmetic number, because the mean of its divisors is an integer number (670101651).

Almost surely, 2^1340203301 is an apocalyptic number.

It is an amenable number.

1340203301 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340203301 is an equidigital number, since it uses as much as digits as its factorization.

1340203301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1340203301 is about 36608.7872101767. The cubic root of 1340203301 is about 1102.5295233617.

Adding to 1340203301 its reverse (1033020431), we get a palindrome (2373223732).

The spelling of 1340203301 in words is "one billion, three hundred forty million, two hundred three thousand, three hundred one".