303213312303 has 24 divisors (see below), whose sum is σ = 448778582448. Its totient is φ = 181946160000.

The previous prime is 303213312289. The next prime is 303213312307.

303213312303 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 303213312303 - 2¹⁰ = 303213311279 is a prime.

It is a super-2 number, since 2×303213312303² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303213312307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4098478 + ... + 4171803.

It is an arithmetic number, because the mean of its divisors is an integer number (18699107602).

Almost surely, 2^303213312303 is an apocalyptic number.

303213312303 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

303213312303 is a deficient number, since it is larger than the sum of its proper divisors (145565270145).

303213312303 is a wasteful number, since it uses less digits than its factorization.

303213312303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8270407 (or 8270396 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 24.

It can be divided in two parts, 303213 and 312303, that added together give a palindrome (615516).

The spelling of 303213312303 in words is "three hundred three billion, two hundred thirteen million, three hundred twelve thousand, three hundred three".