2431891230 has 64 divisors (see below), whose sum is σ = 6133805568. Its totient is φ = 616291200.

The previous prime is 2431891213. The next prime is 2431891237. The reversal of 2431891230 is 321981342.

It is a junction number, because it is equal to n+sod(n) for n = 2431891191 and 2431891200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2431891237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22255 + ... + 73205.

It is an arithmetic number, because the mean of its divisors is an integer number (95840712).

Almost surely, 2^2431891230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2431891230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3066902784).

2431891230 is an abundant number, since it is smaller than the sum of its proper divisors (3701914338).

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

2431891230 is a wasteful number, since it uses less digits than its factorization.

2431891230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51041.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 2431891230 is about 49314.2092099224. The cubic root of 2431891230 is about 1344.7701140619.

The spelling of 2431891230 in words is "two billion, four hundred thirty-one million, eight hundred ninety-one thousand, two hundred thirty".