1331120303 has 2 divisors, whose sum is σ = 1331120304. Its totient is φ = 1331120302.

The previous prime is 1331120269. The next prime is 1331120311. The reversal of 1331120303 is 3030211331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1331120303 - 2⁸ = 1331120047 is a prime.

It is a super-2 number, since 2×1331120303² = 3543762522117623618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1331123303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665560151 + 665560152.

It is an arithmetic number, because the mean of its divisors is an integer number (665560152).

Almost surely, 2^1331120303 is an apocalyptic number.

1331120303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331120303 is an equidigital number, since it uses as much as digits as its factorization.

1331120303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1331120303 is about 36484.5214166227. The cubic root of 1331120303 is about 1100.0331403239.

Adding to 1331120303 its reverse (3030211331), we get a palindrome (4361331634).

The spelling of 1331120303 in words is "one billion, three hundred thirty-one million, one hundred twenty thousand, three hundred three".