231420260 has 48 divisors (see below), whose sum is σ = 497807856. Its totient is φ = 90335232.

The previous prime is 231420253. The next prime is 231420401. The reversal of 231420260 is 62024132.

231420260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 33849124 + 197571136 = 5818^2 + 14056^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246512 + ... + 247448.

It is an arithmetic number, because the mean of its divisors is an integer number (10370997).

Almost surely, 2^231420260 is an apocalyptic number.

231420260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231420260 is an abundant number, since it is smaller than the sum of its proper divisors (266387596).

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

231420260 is a wasteful number, since it uses less digits than its factorization.

231420260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232 (or 1230 counting only the distinct ones).

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

The square root of 231420260 is about 15212.5034100243. The cubic root of 231420260 is about 613.9511149528.

Adding to 231420260 its reverse (62024132), we get a palindrome (293444392).

The spelling of 231420260 in words is "two hundred thirty-one million, four hundred twenty thousand, two hundred sixty".