201311002 has 8 divisors (see below), whose sum is σ = 304344576. Its totient is φ = 99862812.

The previous prime is 201310979. The next prime is 201311003. The reversal of 201311002 is 200113102.

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

It is a super-2 number, since 2×201311002² = 81052239052488008, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 201311002.

It is not an unprimeable number, because it can be changed into a prime (201311003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396028 + ... + 396535.

It is an arithmetic number, because the mean of its divisors is an integer number (38043072).

Almost surely, 2^201311002 is an apocalyptic number.

201311002 is a deficient number, since it is larger than the sum of its proper divisors (103033574).

201311002 is a wasteful number, since it uses less digits than its factorization.

201311002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792692.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 201311002 is about 14188.4108341985. The cubic root of 201311002 is about 586.0785634746.

Adding to 201311002 its reverse (200113102), we get a palindrome (401424104).

The spelling of 201311002 in words is "two hundred one million, three hundred eleven thousand, two".