2031880536 has 144 divisors (see below), whose sum is σ = 6575346960. Its totient is φ = 555223680.

The previous prime is 2031880519. The next prime is 2031880541. The reversal of 2031880536 is 6350881302.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2031880536.

It is a congruent number.

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 35 ways as a sum of consecutive naturals, for example, 262806 + ... + 270426.

Almost surely, 2^2031880536 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 2031880536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3287673480).

2031880536 is an abundant number, since it is smaller than the sum of its proper divisors (4543466424).

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

2031880536 is a wasteful number, since it uses less digits than its factorization.

2031880536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7686 (or 7656 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 2031880536 is about 45076.3855693865. The cubic root of 2031880536 is about 1266.5802839829.

The spelling of 2031880536 in words is "two billion, thirty-one million, eight hundred eighty thousand, five hundred thirty-six".