301231420 has 72 divisors (see below), whose sum is σ = 748077120. Its totient is φ = 101566080.

The previous prime is 301231379. The next prime is 301231421. The reversal of 301231420 is 24132103.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 301231394 and 301231403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (301231421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57261 + ... + 62299.

It is an arithmetic number, because the mean of its divisors is an integer number (10389960).

Almost surely, 2^301231420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 301231420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (374038560).

301231420 is an abundant number, since it is smaller than the sum of its proper divisors (446845700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

301231420 is a wasteful number, since it uses less digits than its factorization.

301231420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5123 (or 5114 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 301231420 is about 17356.0197049900. The cubic root of 301231420 is about 670.3476476065.

Adding to 301231420 its reverse (24132103), we get a palindrome (325363523).

The spelling of 301231420 in words is "three hundred one million, two hundred thirty-one thousand, four hundred twenty".