231014420 has 72 divisors (see below), whose sum is σ = 607779144. Its totient is φ = 73108224.

The previous prime is 231014419. The next prime is 231014423. The reversal of 231014420 is 24410132.

It can be written as a sum of positive squares in 4 ways, for example, as 1552516 + 229461904 = 1246^2 + 15148^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231014423) 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, 3674 + ... + 21806.

It is an arithmetic number, because the mean of its divisors is an integer number (8441377).

Almost surely, 2^231014420 is an apocalyptic number.

231014420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231014420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303889572).

231014420 is an abundant number, since it is smaller than the sum of its proper divisors (376764724).

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

231014420 is a wasteful number, since it uses less digits than its factorization.

231014420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18169 (or 18160 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 231014420 is about 15199.1585293397. The cubic root of 231014420 is about 613.5920111070.

Adding to 231014420 its reverse (24410132), we get a palindrome (255424552).

The spelling of 231014420 in words is "two hundred thirty-one million, fourteen thousand, four hundred twenty".