313123203103 has 2 divisors, whose sum is σ = 313123203104. Its totient is φ = 313123203102.

The previous prime is 313123203073. The next prime is 313123203121. The reversal of 313123203103 is 301302321313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 313123203103 - 2⁹ = 313123202591 is a prime.

It is a super-2 number, since 2×313123203103² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313123203203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156561601551 + 156561601552.

It is an arithmetic number, because the mean of its divisors is an integer number (156561601552).

Almost surely, 2^313123203103 is an apocalyptic number.

313123203103 is a deficient number, since it is larger than the sum of its proper divisors (1).

313123203103 is an equidigital number, since it uses as much as digits as its factorization.

313123203103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 313123203103 its reverse (301302321313), we get a palindrome (614425524416).

The spelling of 313123203103 in words is "three hundred thirteen billion, one hundred twenty-three million, two hundred three thousand, one hundred three".