231260420 has 24 divisors (see below), whose sum is σ = 485944704. Its totient is φ = 92447456.

The previous prime is 231260417. The next prime is 231260429. The reversal of 231260420 is 24062132.

231260420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 231260392 and 231260401.

It is not an unprimeable number, because it can be changed into a prime (231260429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48587 + ... + 53133.

It is an arithmetic number, because the mean of its divisors is an integer number (20247696).

Almost surely, 2^231260420 is an apocalyptic number.

231260420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231260420 is an abundant number, since it is smaller than the sum of its proper divisors (254684284).

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

231260420 is a wasteful number, since it uses less digits than its factorization.

231260420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7099 (or 7097 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 231260420 is about 15207.2489293758. The cubic root of 231260420 is about 613.8097321307.

The spelling of 231260420 in words is "two hundred thirty-one million, two hundred sixty thousand, four hundred twenty".