201170417231 has 24 divisors (see below), whose sum is σ = 242148229920. Its totient is φ = 166441716672.

The previous prime is 201170417153. The next prime is 201170417237. The reversal of 201170417231 is 132714071102.

It is not a de Polignac number, because 201170417231 - 2³⁴ = 183990548047 is a prime.

It is a super-2 number, since 2×201170417231² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201170417194 and 201170417203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201170417237) 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 23 ways as a sum of consecutive naturals, for example, 6026870 + ... + 6060156.

It is an arithmetic number, because the mean of its divisors is an integer number (10089509580).

Almost surely, 2^201170417231 is an apocalyptic number.

201170417231 is a deficient number, since it is larger than the sum of its proper divisors (40977812689).

201170417231 is a wasteful number, since it uses less digits than its factorization.

201170417231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37583 (or 37576 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 29.

Adding to 201170417231 its reverse (132714071102), we get a palindrome (333884488333).

The spelling of 201170417231 in words is "two hundred one billion, one hundred seventy million, four hundred seventeen thousand, two hundred thirty-one".