201131301223 has 2 divisors, whose sum is σ = 201131301224. Its totient is φ = 201131301222.

The previous prime is 201131301197. The next prime is 201131301233. The reversal of 201131301223 is 322103131102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201131301223 - 2¹³ = 201131293031 is a prime.

It is a super-2 number, since 2×201131301223² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 201131301223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201131301233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100565650611 + 100565650612.

It is an arithmetic number, because the mean of its divisors is an integer number (100565650612).

Almost surely, 2^201131301223 is an apocalyptic number.

201131301223 is a deficient number, since it is larger than the sum of its proper divisors (1).

201131301223 is an equidigital number, since it uses as much as digits as its factorization.

201131301223 is an evil number, because the sum of its binary digits is even.

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

Adding to 201131301223 its reverse (322103131102), we get a palindrome (523234432325).

The spelling of 201131301223 in words is "two hundred one billion, one hundred thirty-one million, three hundred one thousand, two hundred twenty-three".