313002321123 has 16 divisors (see below), whose sum is σ = 431785257120. Its totient is φ = 201445730304.

The previous prime is 313002321119. The next prime is 313002321193. The reversal of 313002321123 is 321123200313.

It is not a de Polignac number, because 313002321123 - 2² = 313002321119 is a prime.

It is a super-2 number, since 2×313002321123² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 313002321123.

It is not an unprimeable number, because it can be changed into a prime (313002321103) 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, 421315 + ... + 896387.

It is an arithmetic number, because the mean of its divisors is an integer number (26986578570).

Almost surely, 2^313002321123 is an apocalyptic number.

313002321123 is a deficient number, since it is larger than the sum of its proper divisors (118782935997).

313002321123 is a wasteful number, since it uses less digits than its factorization.

313002321123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482678.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 313002321123 its reverse (321123200313), we get a palindrome (634125521436).

The spelling of 313002321123 in words is "three hundred thirteen billion, two million, three hundred twenty-one thousand, one hundred twenty-three".