201312031110 has 32 divisors (see below), whose sum is σ = 483165151200. Its totient is φ = 53681399808.

The previous prime is 201312031103. The next prime is 201312031169. The reversal of 201312031110 is 11130213102.

It is a happy number.

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 201312031110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 959014 + ... + 1149926.

It is an arithmetic number, because the mean of its divisors is an integer number (15098910975).

Almost surely, 2^201312031110 is an apocalyptic number.

201312031110 is an abundant number, since it is smaller than the sum of its proper divisors (281853120090).

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

201312031110 is a wasteful number, since it uses less digits than its factorization.

201312031110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226072.

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

Adding to 201312031110 its reverse (11130213102), we get a palindrome (212442244212).

The spelling of 201312031110 in words is "two hundred one billion, three hundred twelve million, thirty-one thousand, one hundred ten".