201023111310 has 64 divisors (see below), whose sum is σ = 551413440000. Its totient is φ = 45945159552.

The previous prime is 201023111299. The next prime is 201023111327. The reversal of 201023111310 is 13111320102.

It is a happy number.

201023111310 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×201023111310² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 201023111310.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5967996 + ... + 6001584.

It is an arithmetic number, because the mean of its divisors is an integer number (8615835000).

Almost surely, 2^201023111310 is an apocalyptic number.

201023111310 is an abundant number, since it is smaller than the sum of its proper divisors (350390328690).

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

201023111310 is a wasteful number, since it uses less digits than its factorization.

201023111310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62105.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 201023111310 its reverse (13111320102), we get a palindrome (214134431412).

The spelling of 201023111310 in words is "two hundred one billion, twenty-three million, one hundred eleven thousand, three hundred ten".