201001031312 has 20 divisors (see below), whose sum is σ = 409936314480. Its totient is φ = 95211014688.

The previous prime is 201001031267. The next prime is 201001031389. The reversal of 201001031312 is 213130100102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330593498 + ... + 330594105.

It is an arithmetic number, because the mean of its divisors is an integer number (20496815724).

Almost surely, 2^201001031312 is an apocalyptic number.

It is an amenable number.

201001031312 is an abundant number, since it is smaller than the sum of its proper divisors (208935283168).

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

201001031312 is a wasteful number, since it uses less digits than its factorization.

201001031312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661187630 (or 661187624 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 201001031312 its reverse (213130100102), we get a palindrome (414131131414).

The spelling of 201001031312 in words is "two hundred one billion, one million, thirty-one thousand, three hundred twelve".