201032031231 has 24 divisors (see below), whose sum is σ = 310051437696. Its totient is φ = 125213069520.

The previous prime is 201032031197. The next prime is 201032031257. The reversal of 201032031231 is 132130230102.

201032031231 is a `hidden beast` number, since 2 + 0 + 1 + 0 + 320 + 312 + 31 = 666.

It is not a de Polignac number, because 201032031231 - 2²⁵ = 200998476799 is a prime.

It is a super-2 number, since 2×201032031231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201032031271) 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, 11283765 + ... + 11301566.

It is an arithmetic number, because the mean of its divisors is an integer number (12918809904).

Almost surely, 2^201032031231 is an apocalyptic number.

201032031231 is a deficient number, since it is larger than the sum of its proper divisors (109019406465).

201032031231 is a wasteful number, since it uses less digits than its factorization.

201032031231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22585403 (or 22585400 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 201032031231 its reverse (132130230102), we get a palindrome (333162261333).

The spelling of 201032031231 in words is "two hundred one billion, thirty-two million, thirty-one thousand, two hundred thirty-one".