201330312090 has 64 divisors (see below), whose sum is σ = 504405487872. Its totient is φ = 51333004800.

The previous prime is 201330312011. The next prime is 201330312091. The reversal of 201330312090 is 90213033102.

It is a self number, because there is not a number n which added to its sum of digits gives 201330312090.

It is not an unprimeable number, because it can be changed into a prime (201330312091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1681620 + ... + 1797360.

It is an arithmetic number, because the mean of its divisors is an integer number (7881335748).

Almost surely, 2^201330312090 is an apocalyptic number.

201330312090 is an abundant number, since it is smaller than the sum of its proper divisors (303075175782).

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

201330312090 is a wasteful number, since it uses less digits than its factorization.

201330312090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118295.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 201330312090 its reverse (90213033102), we get a palindrome (291543345192).

The spelling of 201330312090 in words is "two hundred one billion, three hundred thirty million, three hundred twelve thousand, ninety".