1340372303 has 2 divisors, whose sum is σ = 1340372304. Its totient is φ = 1340372302.

The previous prime is 1340372251. The next prime is 1340372321. The reversal of 1340372303 is 3032730431.

It is a strong prime.

It is an emirp because it is prime and its reverse (3032730431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1340372303 - 2³⁰ = 266630479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1340372333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670186151 + 670186152.

It is an arithmetic number, because the mean of its divisors is an integer number (670186152).

Almost surely, 2^1340372303 is an apocalyptic number.

1340372303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340372303 is an equidigital number, since it uses as much as digits as its factorization.

1340372303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 26.

The square root of 1340372303 is about 36611.0953537312. The cubic root of 1340372303 is about 1102.5758650530.

The spelling of 1340372303 in words is "one billion, three hundred forty million, three hundred seventy-two thousand, three hundred three".