2031223330 has 16 divisors (see below), whose sum is σ = 3664210680. Its totient is φ = 810709632.

The previous prime is 2031223303. The next prime is 2031223331. The reversal of 2031223330 is 333221302.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2029592601 + 1630729 = 45051^2 + 1277^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2031223298 and 2031223307.

It is not an unprimeable number, because it can be changed into a prime (2031223331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217665 + ... + 226804.

Almost surely, 2^2031223330 is an apocalyptic number.

2031223330 is a deficient number, since it is larger than the sum of its proper divisors (1632987350).

2031223330 is a wasteful number, since it uses less digits than its factorization.

2031223330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444933.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 2031223330 is about 45069.0950652440. The cubic root of 2031223330 is about 1266.4437119897.

Adding to 2031223330 its reverse (333221302), we get a palindrome (2364444632).

The spelling of 2031223330 in words is "two billion, thirty-one million, two hundred twenty-three thousand, three hundred thirty".