201131010013 has 4 divisors (see below), whose sum is σ = 201149045280. Its totient is φ = 201112974748.

The previous prime is 201131009939. The next prime is 201131010077. The reversal of 201131010013 is 310010131102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201131010013 - 2¹³ = 201131001821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201131009975 and 201131010002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201131010313) 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, 9000895 + ... + 9023212.

It is an arithmetic number, because the mean of its divisors is an integer number (50287261320).

Almost surely, 2^201131010013 is an apocalyptic number.

It is an amenable number.

201131010013 is a deficient number, since it is larger than the sum of its proper divisors (18035267).

201131010013 is a wasteful number, since it uses less digits than its factorization.

201131010013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18035266.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 201131010013 its reverse (310010131102), we get a palindrome (511141141115).

The spelling of 201131010013 in words is "two hundred one billion, one hundred thirty-one million, ten thousand, thirteen".