2031440334 has 96 divisors (see below), whose sum is σ = 5171040000. Its totient is φ = 526095360.

The previous prime is 2031440321. The next prime is 2031440351. The reversal of 2031440334 is 4330441302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1451367 + ... + 1452765.

It is an arithmetic number, because the mean of its divisors is an integer number (53865000).

Almost surely, 2^2031440334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2031440334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2585520000).

2031440334 is an abundant number, since it is smaller than the sum of its proper divisors (3139599666).

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

2031440334 is a wasteful number, since it uses less digits than its factorization.

2031440334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1878 (or 1871 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 2031440334 is about 45071.5024599802. The cubic root of 2031440334 is about 1266.4888101925.

Adding to 2031440334 its reverse (4330441302), we get a palindrome (6361881636).

The spelling of 2031440334 in words is "two billion, thirty-one million, four hundred forty thousand, three hundred thirty-four".