201031223030 has 64 divisors (see below), whose sum is σ = 397858106880. Its totient is φ = 72527712000.

The previous prime is 201031223021. The next prime is 201031223033. The reversal of 201031223030 is 30322130102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201031223033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42962231 + ... + 42966909.

It is an arithmetic number, because the mean of its divisors is an integer number (6216532920).

Almost surely, 2^201031223030 is an apocalyptic number.

201031223030 is a deficient number, since it is larger than the sum of its proper divisors (196826883850).

201031223030 is a wasteful number, since it uses less digits than its factorization.

201031223030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7685.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 201031223030 its reverse (30322130102), we get a palindrome (231353353132).

The spelling of 201031223030 in words is "two hundred one billion, thirty-one million, two hundred twenty-three thousand, thirty".