313121042434003 has 16 divisors (see below), whose sum is σ = 336684948909120. Its totient is φ = 290143300617216.

The previous prime is 313121042433989. The next prime is 313121042434051. The reversal of 313121042434003 is 300434240121313.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313121042434003 is a prime.

It is a super-2 number, since 2×313121042434003² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313121012434003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225802023 + ... + 227184496.

It is an arithmetic number, because the mean of its divisors is an integer number (21042809306820).

Almost surely, 2^{313121042434003} is an apocalyptic number.

313121042434003 is a deficient number, since it is larger than the sum of its proper divisors (23563906475117).

313121042434003 is a wasteful number, since it uses less digits than its factorization.

313121042434003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452987166.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 313121042434003 its reverse (300434240121313), we get a palindrome (613555282555316).

The spelling of 313121042434003 in words is "three hundred thirteen trillion, one hundred twenty-one billion, forty-two million, four hundred thirty-four thousand, three".