2031221302 has 32 divisors (see below), whose sum is σ = 3554246304. Its totient is φ = 860352000.

The previous prime is 2031221299. The next prime is 2031221329.

2031221302 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10888 + ... + 64660.

It is an arithmetic number, because the mean of its divisors is an integer number (111070197).

Almost surely, 2^2031221302 is an apocalyptic number.

2031221302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2031221302 is a deficient number, since it is larger than the sum of its proper divisors (1523025002).

2031221302 is a wasteful number, since it uses less digits than its factorization.

2031221302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53904.

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

The square root of 2031221302 is about 45069.0725664507. The cubic root of 2031221302 is about 1266.4432905115.

It can be divided in two parts, 20312 and 21302, that added together give a palindrome (41614).

The spelling of 2031221302 in words is "two billion, thirty-one million, two hundred twenty-one thousand, three hundred two".