313030210123 has 4 divisors (see below), whose sum is σ = 329505484360. Its totient is φ = 296554935888.

The previous prime is 313030210049. The next prime is 313030210169. The reversal of 313030210123 is 321012030313.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313030210123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 16475274217 = 313030210123 / (3 + 1 + 3 + 0 + 3 + 0 + 2 + 1 + 0 + 1 + 2 + 3).

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 313030210123.

It is not an unprimeable number, because it can be changed into a prime (313030810123) 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, 8237637090 + ... + 8237637127.

It is an arithmetic number, because the mean of its divisors is an integer number (82376371090).

Almost surely, 2^313030210123 is an apocalyptic number.

313030210123 is a deficient number, since it is larger than the sum of its proper divisors (16475274237).

313030210123 is a wasteful number, since it uses less digits than its factorization.

313030210123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16475274236.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 313030210123 its reverse (321012030313), we get a palindrome (634042240436).

The spelling of 313030210123 in words is "three hundred thirteen billion, thirty million, two hundred ten thousand, one hundred twenty-three".