4231012140 has 72 divisors (see below), whose sum is σ = 12890732400. Its totient is φ = 1123288704.

The previous prime is 4231012117. The next prime is 4231012187. The reversal of 4231012140 is 412101324.

4231012140 is a `hidden beast` number, since 423 + 101 + 2 + 140 = 666.

4231012140 is digitally balanced in base 2, 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 (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10915 + ... + 92634.

It is an arithmetic number, because the mean of its divisors is an integer number (179037950).

Almost surely, 2^4231012140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4231012140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6445366200).

4231012140 is an abundant number, since it is smaller than the sum of its proper divisors (8659720260).

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

4231012140 is a wasteful number, since it uses less digits than its factorization.

4231012140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103791 (or 103786 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 4231012140 is about 65046.2307901080. The cubic root of 4231012140 is about 1617.3900131212.

Adding to 4231012140 its reverse (412101324), we get a palindrome (4643113464).

The spelling of 4231012140 in words is "four billion, two hundred thirty-one million, twelve thousand, one hundred forty".