201631366053 has 12 divisors (see below), whose sum is σ = 313648791820. Its totient is φ = 124080840576.

The previous prime is 201631366033. The next prime is 201631366109. The reversal of 201631366053 is 350663136102.

201631366053 is a `hidden beast` number, since 2 + 0 + 16 + 3 + 1 + 36 + 605 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 17162834049 + 184468532004 = 131007^2 + 429498^2 .

It is not a de Polignac number, because 201631366053 - 2¹⁰ = 201631365029 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 201631365999 and 201631366017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201631366033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 861672388 + ... + 861672621.

Almost surely, 2^201631366053 is an apocalyptic number.

It is an amenable number.

201631366053 is a deficient number, since it is larger than the sum of its proper divisors (112017425767).

201631366053 is a wasteful number, since it uses less digits than its factorization.

201631366053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1723345028 (or 1723345025 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The spelling of 201631366053 in words is "two hundred one billion, six hundred thirty-one million, three hundred sixty-six thousand, fifty-three".