313110421 has 16 divisors (see below), whose sum is σ = 342486144. Its totient is φ = 284526144.

The previous prime is 313110401. The next prime is 313110439. The reversal of 313110421 is 124011313.

It is a cyclic number.

It is not a de Polignac number, because 313110421 - 2⁵ = 313110389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 313110395 and 313110404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313110401) 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, 263190 + ... + 264376.

It is an arithmetic number, because the mean of its divisors is an integer number (21405384).

Almost surely, 2^313110421 is an apocalyptic number.

It is an amenable number.

313110421 is a deficient number, since it is larger than the sum of its proper divisors (29375723).

313110421 is a wasteful number, since it uses less digits than its factorization.

313110421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 313110421 is about 17694.9264197396. The cubic root of 313110421 is about 679.0459667693.

Adding to 313110421 its reverse (124011313), we get a palindrome (437121734).

The spelling of 313110421 in words is "three hundred thirteen million, one hundred ten thousand, four hundred twenty-one".