1013831303 has 2 divisors, whose sum is σ = 1013831304. Its totient is φ = 1013831302.

The previous prime is 1013831281. The next prime is 1013831309. The reversal of 1013831303 is 3031383101.

Added to its reverse (3031383101) it gives a square (4045214404 = 63602²).

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1013831303 - 2²⁴ = 997054087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1013831309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506915651 + 506915652.

It is an arithmetic number, because the mean of its divisors is an integer number (506915652).

Almost surely, 2^1013831303 is an apocalyptic number.

1013831303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013831303 is an equidigital number, since it uses as much as digits as its factorization.

1013831303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 1013831303 is about 31840.7176897758. The cubic root of 1013831303 is about 1004.5893400708.

Adding to 1013831303 its reverse (3031383101), we get a square (4045214404 = 63602²).

The spelling of 1013831303 in words is "one billion, thirteen million, eight hundred thirty-one thousand, three hundred three".