314531421 has 8 divisors (see below), whose sum is σ = 419697984. Its totient is φ = 209526240.

The previous prime is 314531411. The next prime is 314531423. The reversal of 314531421 is 124135413.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 314531421 - 2⁷ = 314531293 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 314531391 and 314531400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (314531423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35721 + ... + 43646.

It is an arithmetic number, because the mean of its divisors is an integer number (52462248).

Almost surely, 2^314531421 is an apocalyptic number.

It is an amenable number.

314531421 is a deficient number, since it is larger than the sum of its proper divisors (105166563).

314531421 is a wasteful number, since it uses less digits than its factorization.

314531421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80691.

The product of its digits is 1440, while the sum is 24.

The square root of 314531421 is about 17735.0337186034. The cubic root of 314531421 is about 680.0716627185.

Adding to 314531421 its reverse (124135413), we get a palindrome (438666834).

The spelling of 314531421 in words is "three hundred fourteen million, five hundred thirty-one thousand, four hundred twenty-one".