2031863424 has 128 divisors (see below), whose sum is σ = 5826729600. Its totient is φ = 625422336.

The previous prime is 2031863389. The next prime is 2031863429. The reversal of 2031863424 is 4243681302.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (2031863429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252162 + ... + 260094.

It is an arithmetic number, because the mean of its divisors is an integer number (45521325).

Almost surely, 2^2031863424 is an apocalyptic number.

2031863424 is a gapful number since it is divisible by the number (24) 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 2031863424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2913364800).

2031863424 is an abundant number, since it is smaller than the sum of its proper divisors (3794866176).

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

2031863424 is a wasteful number, since it uses less digits than its factorization.

2031863424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8002 (or 7990 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 2031863424 is about 45076.1957578498. The cubic root of 2031863424 is about 1266.5767283633.

The spelling of 2031863424 in words is "two billion, thirty-one million, eight hundred sixty-three thousand, four hundred twenty-four".