2013201131 has 4 divisors (see below), whose sum is σ = 2051186112. Its totient is φ = 1975216152.

The previous prime is 2013201077. The next prime is 2013201143. The reversal of 2013201131 is 1311023102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2013201131 - 2¹⁸ = 2012938987 is a prime.

It is a super-2 number, since 2×2013201131² = 8105957587719358322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2013201181) 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, 18992411 + ... + 18992516.

It is an arithmetic number, because the mean of its divisors is an integer number (512796528).

Almost surely, 2^2013201131 is an apocalyptic number.

2013201131 is a deficient number, since it is larger than the sum of its proper divisors (37984981).

2013201131 is an equidigital number, since it uses as much as digits as its factorization.

2013201131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37984980.

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

The square root of 2013201131 is about 44868.7099324240. The cubic root of 2013201131 is about 1262.6870369041.

Adding to 2013201131 its reverse (1311023102), we get a palindrome (3324224233).

The spelling of 2013201131 in words is "two billion, thirteen million, two hundred one thousand, one hundred thirty-one".