201031122130030 has 16 divisors (see below), whose sum is σ = 366215730917904. Its totient is φ = 79443624166720.

The previous prime is 201031122130009. The next prime is 201031122130039. The reversal of 201031122130030 is 30031221130102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201031122130039) 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, 121103084791 + ... + 121103086450.

It is an arithmetic number, because the mean of its divisors is an integer number (22888483182369).

Almost surely, 2^{201031122130030} is an apocalyptic number.

201031122130030 is a deficient number, since it is larger than the sum of its proper divisors (165184608787874).

201031122130030 is a wasteful number, since it uses less digits than its factorization.

201031122130030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242206171331.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 201031122130030 its reverse (30031221130102), we get a palindrome (231062343260132).

The spelling of 201031122130030 in words is "two hundred one trillion, thirty-one billion, one hundred twenty-two million, one hundred thirty thousand, thirty".