313201201123 has 4 divisors (see below), whose sum is σ = 313203006328. Its totient is φ = 313199395920.

The previous prime is 313201201111. The next prime is 313201201141. The reversal of 313201201123 is 321102102313.

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

It is a cyclic number.

It is not a de Polignac number, because 313201201123 - 2¹⁷ = 313201070051 is a prime.

It is a super-2 number, since 2×313201201123² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 313201201123.

It is not an unprimeable number, because it can be changed into a prime (313201201153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610938 + ... + 999823.

It is an arithmetic number, because the mean of its divisors is an integer number (78300751582).

Almost surely, 2^313201201123 is an apocalyptic number.

313201201123 is a deficient number, since it is larger than the sum of its proper divisors (1805205).

313201201123 is a wasteful number, since it uses less digits than its factorization.

313201201123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1805204.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 313201201123 its reverse (321102102313), we get a palindrome (634303303436).

The spelling of 313201201123 in words is "three hundred thirteen billion, two hundred one million, two hundred one thousand, one hundred twenty-three".