1203322313 has 2 divisors, whose sum is σ = 1203322314. Its totient is φ = 1203322312.

The previous prime is 1203322249. The next prime is 1203322327. The reversal of 1203322313 is 3132233021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1199029129 + 4293184 = 34627^2 + 2072^2 .

It is a cyclic number.

It is not a de Polignac number, because 1203322313 - 2⁶ = 1203322249 is a prime.

It is not a weakly prime, because it can be changed into another prime (1203321313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601661156 + 601661157.

It is an arithmetic number, because the mean of its divisors is an integer number (601661157).

Almost surely, 2^1203322313 is an apocalyptic number.

It is an amenable number.

1203322313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203322313 is an equidigital number, since it uses as much as digits as its factorization.

1203322313 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 20.

The square root of 1203322313 is about 34688.9364639506. The cubic root of 1203322313 is about 1063.6383556331.

Adding to 1203322313 its reverse (3132233021), we get a palindrome (4335555334).

The spelling of 1203322313 in words is "one billion, two hundred three million, three hundred twenty-two thousand, three hundred thirteen".