201311013 has 8 divisors (see below), whose sum is σ = 273479328. Its totient is φ = 131675024.

The previous prime is 201311003. The next prime is 201311029. The reversal of 201311013 is 310113102.

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 201311013 - 2¹⁶ = 201245477 is a prime.

It is a super-2 number, since 2×201311013² = 81052247910172338, 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 201311013.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 632895 + ... + 633212.

It is an arithmetic number, because the mean of its divisors is an integer number (34184916).

Almost surely, 2^201311013 is an apocalyptic number.

It is an amenable number.

201311013 is a deficient number, since it is larger than the sum of its proper divisors (72168315).

201311013 is a wasteful number, since it uses less digits than its factorization.

201311013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266163.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 201311013 is about 14188.4112218388. The cubic root of 201311013 is about 586.0785741494.

Adding to 201311013 its reverse (310113102), we get a palindrome (511424115).

The spelling of 201311013 in words is "two hundred one million, three hundred eleven thousand, thirteen".