313120211403 has 4 divisors (see below), whose sum is σ = 417493615208. Its totient is φ = 208746807600.

The previous prime is 313120211389. The next prime is 313120211461. The reversal of 313120211403 is 304112021313.

313120211403 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 304112021313 = 3 ⋅101370673771.

It is not a de Polignac number, because 313120211403 - 2⁴ = 313120211387 is a prime.

It is a super-2 number, since 2×313120211403² (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 313120211403.

It is not an unprimeable number, because it can be changed into a prime (313120211483) 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, 52186701898 + ... + 52186701903.

It is an arithmetic number, because the mean of its divisors is an integer number (104373403802).

Almost surely, 2^313120211403 is an apocalyptic number.

313120211403 is a deficient number, since it is larger than the sum of its proper divisors (104373403805).

313120211403 is a wasteful number, since it uses less digits than its factorization.

313120211403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104373403804.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 313120211403 its reverse (304112021313), we get a palindrome (617232232716).

The spelling of 313120211403 in words is "three hundred thirteen billion, one hundred twenty million, two hundred eleven thousand, four hundred three".