201031012120230 has 64 divisors (see below), whose sum is σ = 539292775150080. Its totient is φ = 53287262282592.

The previous prime is 201031012120229. The next prime is 201031012120243. The reversal of 201031012120230 is 32021210130102.

201031012120230 is a `hidden beast` number, since 2 + 0 + 1 + 0 + 310 + 1 + 2 + 120 + 230 = 666.

It is a super-2 number, since 2×201031012120230² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2229174384 + ... + 2229264563.

It is an arithmetic number, because the mean of its divisors is an integer number (8426449611720).

Almost surely, 2^{201031012120230} is an apocalyptic number.

201031012120230 is an abundant number, since it is smaller than the sum of its proper divisors (338261763029850).

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

201031012120230 is a wasteful number, since it uses less digits than its factorization.

201031012120230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4458439130 (or 4458439124 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 201031012120230 its reverse (32021210130102), we get a palindrome (233052222250332).

The spelling of 201031012120230 in words is "two hundred one trillion, thirty-one billion, twelve million, one hundred twenty thousand, two hundred thirty".