201020201303131 has 24 divisors (see below), whose sum is σ = 234818690586480. Its totient is φ = 171583052562432.

The previous prime is 201020201303039. The next prime is 201020201303171. The reversal of 201020201303131 is 131303102020102.

It is not a de Polignac number, because 201020201303131 - 2⁹ = 201020201302619 is a prime.

It is a super-2 number, since 2×201020201303131² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201020201303099 and 201020201303108.

It is not an unprimeable number, because it can be changed into a prime (201020201303171) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5388291 + ... + 20762323.

It is an arithmetic number, because the mean of its divisors is an integer number (9784112107770).

Almost surely, 2^{201020201303131} is an apocalyptic number.

201020201303131 is a deficient number, since it is larger than the sum of its proper divisors (33798489283349).

201020201303131 is a wasteful number, since it uses less digits than its factorization.

201020201303131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15375163 (or 15375156 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 201020201303131 its reverse (131303102020102), we get a palindrome (332323303323233).

The spelling of 201020201303131 in words is "two hundred one trillion, twenty billion, two hundred one million, three hundred three thousand, one hundred thirty-one".