2021321302 has 32 divisors (see below), whose sum is σ = 4070916864. Its totient is φ = 726948000.

The previous prime is 2021321299. The next prime is 2021321333. The reversal of 2021321302 is 2031231202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 502824 + ... + 506827.

It is an arithmetic number, because the mean of its divisors is an integer number (127216152).

Almost surely, 2^2021321302 is an apocalyptic number.

2021321302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2021321302 is an abundant number, since it is smaller than the sum of its proper divisors (2049595562).

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

2021321302 is a wasteful number, since it uses less digits than its factorization.

2021321302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009684.

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

The square root of 2021321302 is about 44959.1069973593. The cubic root of 2021321302 is about 1264.3824263949.

Adding to 2021321302 its reverse (2031231202), we get a palindrome (4052552504).

It can be divided in two parts, 2021 and 321302, that added together give a palindrome (323323).

The spelling of 2021321302 in words is "two billion, twenty-one million, three hundred twenty-one thousand, three hundred two".