1203113220313 has 2 divisors, whose sum is σ = 1203113220314. Its totient is φ = 1203113220312.

The previous prime is 1203113220289. The next prime is 1203113220329. The reversal of 1203113220313 is 3130223113021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1018387759104 + 184725461209 = 1009152^2 + 429797^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1203113220313 is a prime.

It is not a weakly prime, because it can be changed into another prime (1203113220713) 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, 601556610156 + 601556610157.

It is an arithmetic number, because the mean of its divisors is an integer number (601556610157).

Almost surely, 2^{1203113220313} is an apocalyptic number.

It is an amenable number.

1203113220313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203113220313 is an equidigital number, since it uses as much as digits as its factorization.

1203113220313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1203113220313 its reverse (3130223113021), we get a palindrome (4333336333334).

The spelling of 1203113220313 in words is "one trillion, two hundred three billion, one hundred thirteen million, two hundred twenty thousand, three hundred thirteen".