421234313 has 8 divisors (see below), whose sum is σ = 469487520. Its totient is φ = 375589440.

The previous prime is 421234249. The next prime is 421234349. The reversal of 421234313 is 313432124.

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

It is a cyclic number.

It is not a de Polignac number, because 421234313 - 2⁶ = 421234249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421234013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 651743 + ... + 652388.

It is an arithmetic number, because the mean of its divisors is an integer number (58685940).

Almost surely, 2^421234313 is an apocalyptic number.

It is an amenable number.

421234313 is a deficient number, since it is larger than the sum of its proper divisors (48253207).

421234313 is a wasteful number, since it uses less digits than its factorization.

421234313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304167.

The product of its digits is 1728, while the sum is 23.

The square root of 421234313 is about 20523.9935928659. The cubic root of 421234313 is about 749.6201412719.

Adding to 421234313 its reverse (313432124), we get a palindrome (734666437).

The spelling of 421234313 in words is "four hundred twenty-one million, two hundred thirty-four thousand, three hundred thirteen".