231260620 has 48 divisors (see below), whose sum is σ = 503193600. Its totient is φ = 89184960.

The previous prime is 231260599. The next prime is 231260641. The reversal of 231260620 is 26062132.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (231260599) and next prime (231260641).

It is a junction number, because it is equal to n+sod(n) for n = 231260591 and 231260600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222061 + ... + 223099.

It is an arithmetic number, because the mean of its divisors is an integer number (10483200).

Almost surely, 2^231260620 is an apocalyptic number.

231260620 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 231260620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251596800).

231260620 is an abundant number, since it is smaller than the sum of its proper divisors (271932980).

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

231260620 is a wasteful number, since it uses less digits than its factorization.

231260620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438 (or 1436 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 231260620 is about 15207.2555051857. The cubic root of 231260620 is about 613.8099090769.

The spelling of 231260620 in words is "two hundred thirty-one million, two hundred sixty thousand, six hundred twenty".