201063265531 has 4 divisors (see below), whose sum is σ = 201065506432. Its totient is φ = 201061024632.

The previous prime is 201063265523. The next prime is 201063265561. The reversal of 201063265531 is 135562360102.

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 201063265531 - 2³ = 201063265523 is a prime.

It is a super-2 number, since 2×201063265531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201063265511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 979995 + ... + 1167268.

It is an arithmetic number, because the mean of its divisors is an integer number (50266376608).

Almost surely, 2^201063265531 is an apocalyptic number.

201063265531 is a deficient number, since it is larger than the sum of its proper divisors (2240901).

201063265531 is an equidigital number, since it uses as much as digits as its factorization.

201063265531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240900.

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 201063265531 in words is "two hundred one billion, sixty-three million, two hundred sixty-five thousand, five hundred thirty-one".