201001020331 has 8 divisors (see below), whose sum is σ = 209839601664. Its totient is φ = 192170722920.

The previous prime is 201001020289. The next prime is 201001020347. The reversal of 201001020331 is 133020100102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201001020331 - 2²⁵ = 200967465899 is a prime.

It is a super-2 number, since 2×201001020331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201001020131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2021361 + ... + 2118466.

It is an arithmetic number, because the mean of its divisors is an integer number (26229950208).

Almost surely, 2^201001020331 is an apocalyptic number.

201001020331 is a deficient number, since it is larger than the sum of its proper divisors (8838581333).

201001020331 is a wasteful number, since it uses less digits than its factorization.

201001020331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4141961.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 201001020331 its reverse (133020100102), we get a palindrome (334021120433).

The spelling of 201001020331 in words is "two hundred one billion, one million, twenty thousand, three hundred thirty-one".