231419280 has 80 divisors (see below), whose sum is σ = 724578624. Its totient is φ = 61094400.

The previous prime is 231419263. The next prime is 231419281. The reversal of 231419280 is 82914132.

231419280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (231419281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19467 + ... + 29013.

Almost surely, 2^231419280 is an apocalyptic number.

231419280 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 231419280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (362289312).

231419280 is an abundant number, since it is smaller than the sum of its proper divisors (493159344).

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

231419280 is a wasteful number, since it uses less digits than its factorization.

231419280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9664 (or 9658 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 231419280 is about 15212.4711996441. The cubic root of 231419280 is about 613.9502483145.

The spelling of 231419280 in words is "two hundred thirty-one million, four hundred nineteen thousand, two hundred eighty".