201330311100 has 36 divisors (see below), whose sum is σ = 582515700984. Its totient is φ = 53688082880.

The previous prime is 201330311089. The next prime is 201330311111. The reversal of 201330311100 is 1113033102.

It is an interprime number because it is at equal distance from previous prime (201330311089) and next prime (201330311111).

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 201330311100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 335550219 + ... + 335550818.

It is an arithmetic number, because the mean of its divisors is an integer number (16180991694).

Almost surely, 2^201330311100 is an apocalyptic number.

201330311100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201330311100 is an abundant number, since it is smaller than the sum of its proper divisors (381185389884).

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

201330311100 is a wasteful number, since it uses less digits than its factorization.

201330311100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671101054 (or 671101047 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 201330311100 its reverse (1113033102), we get a palindrome (202443344202).

The spelling of 201330311100 in words is "two hundred one billion, three hundred thirty million, three hundred eleven thousand, one hundred".