1312555303 has 2 divisors, whose sum is σ = 1312555304. Its totient is φ = 1312555302.

The previous prime is 1312555273. The next prime is 1312555333. The reversal of 1312555303 is 3035552131.

It is a balanced prime because it is at equal distance from previous prime (1312555273) and next prime (1312555333).

It is a cyclic number.

It is not a de Polignac number, because 1312555303 - 2⁵ = 1312555271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1312555333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656277651 + 656277652.

It is an arithmetic number, because the mean of its divisors is an integer number (656277652).

Almost surely, 2^1312555303 is an apocalyptic number.

1312555303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312555303 is an equidigital number, since it uses as much as digits as its factorization.

1312555303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6750, while the sum is 28.

The square root of 1312555303 is about 36229.2051113463. The cubic root of 1312555303 is about 1094.8951625685.

The spelling of 1312555303 in words is "one billion, three hundred twelve million, five hundred fifty-five thousand, three hundred three".