314331421 has 4 divisors (see below), whose sum is σ = 330875200. Its totient is φ = 297787644.

The previous prime is 314331401. The next prime is 314331431. The reversal of 314331421 is 124133413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 314331421 - 2¹⁹ = 313807133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 314331392 and 314331401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (314331401) 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, 8271861 + ... + 8271898.

It is an arithmetic number, because the mean of its divisors is an integer number (82718800).

Almost surely, 2^314331421 is an apocalyptic number.

It is an amenable number.

314331421 is a deficient number, since it is larger than the sum of its proper divisors (16543779).

314331421 is a wasteful number, since it uses less digits than its factorization.

314331421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16543778.

The product of its digits is 864, while the sum is 22.

The square root of 314331421 is about 17729.3942648924. The cubic root of 314331421 is about 679.9274872216.

Adding to 314331421 its reverse (124133413), we get a palindrome (438464834).

The spelling of 314331421 in words is "three hundred fourteen million, three hundred thirty-one thousand, four hundred twenty-one".