313123200000001 has 4 divisors (see below), whose sum is σ = 313128556895572. Its totient is φ = 313117843104432.

The previous prime is 313123199999947. The next prime is 313123200000049. The reversal of 313123200000001 is 100000002321313.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 117642982932225 + 195480217067776 = 10846335^2 + 13981424^2 .

It is a cyclic number.

It is not a de Polignac number, because 313123200000001 - 2¹⁷ = 313123199868929 is a prime.

It is a super-2 number, since 2×313123200000001² (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 (313123200000301) 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 in 3 ways as a sum of consecutive naturals, for example, 2678360106 + ... + 2678477011.

It is an arithmetic number, because the mean of its divisors is an integer number (78282139223893).

Almost surely, 2^{313123200000001} is an apocalyptic number.

It is an amenable number.

313123200000001 is a deficient number, since it is larger than the sum of its proper divisors (5356895571).

313123200000001 is an equidigital number, since it uses as much as digits as its factorization.

313123200000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5356895570.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 313123200000001 its reverse (100000002321313), we get a palindrome (413123202321314).

The spelling of 313123200000001 in words is "three hundred thirteen trillion, one hundred twenty-three billion, two hundred million, one", and thus it is an aban number.