2031220030 has 96 divisors (see below), whose sum is σ = 4426410240. Its totient is φ = 668344320.

The previous prime is 2031220019. The next prime is 2031220031. The reversal of 2031220030 is 300221302.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031220031) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3168510 + ... + 3169150.

It is an arithmetic number, because the mean of its divisors is an integer number (46108440).

Almost surely, 2^2031220030 is an apocalyptic number.

2031220030 is an abundant number, since it is smaller than the sum of its proper divisors (2395190210).

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

2031220030 is a wasteful number, since it uses less digits than its factorization.

2031220030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914 (or 907 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2031220030 is about 45069.0584547758. The cubic root of 2031220030 is about 1266.4430261523.

Adding to 2031220030 its reverse (300221302), we get a palindrome (2331441332).

The spelling of 2031220030 in words is "two billion, thirty-one million, two hundred twenty thousand, thirty".