201231102303 has 256 divisors, whose sum is σ = 397971947520. Its totient is φ = 97408396800.

The previous prime is 201231102301. The next prime is 201231102337. The reversal of 201231102303 is 303201132102.

201231102303 is a `hidden beast` number, since 201 + 231 + 1 + 0 + 230 + 3 = 666.

It is not a de Polignac number, because 201231102303 - 2¹ = 201231102301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201231102301) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 686795425 + ... + 686795717.

It is an arithmetic number, because the mean of its divisors is an integer number (1554577920).

Almost surely, 2^201231102303 is an apocalyptic number.

201231102303 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

201231102303 is a deficient number, since it is larger than the sum of its proper divisors (196740845217).

201231102303 is a wasteful number, since it uses less digits than its factorization.

201231102303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667 (or 661 counting only the distinct ones).

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

Adding to 201231102303 its reverse (303201132102), we get a palindrome (504432234405).

The spelling of 201231102303 in words is "two hundred one billion, two hundred thirty-one million, one hundred two thousand, three hundred three".