2031021304 has 32 divisors (see below), whose sum is σ = 4104576000. Its totient is φ = 936600192.

The previous prime is 2031021299. The next prime is 2031021347. The reversal of 2031021304 is 4031201302.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125382 + ... + 140650.

It is an arithmetic number, because the mean of its divisors is an integer number (128268000).

Almost surely, 2^2031021304 is an apocalyptic number.

It is an amenable number.

2031021304 is an abundant number, since it is smaller than the sum of its proper divisors (2073554696).

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

2031021304 is a wasteful number, since it uses less digits than its factorization.

2031021304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16567 (or 16563 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2031021304 is about 45066.8537175605. The cubic root of 2031021304 is about 1266.4017236574.

Adding to 2031021304 its reverse (4031201302), we get a palindrome (6062222606).

It can be divided in two parts, 20310 and 21304, that added together give a palindrome (41614).

The spelling of 2031021304 in words is "two billion, thirty-one million, twenty-one thousand, three hundred four".