201010201231 has 16 divisors (see below), whose sum is σ = 229959927616. Its totient is φ = 172119085056.

The previous prime is 201010201229. The next prime is 201010201237. The reversal of 201010201231 is 132102010102.

It is a cyclic number.

It is not a de Polignac number, because 201010201231 - 2¹ = 201010201229 is a prime.

It is a super-2 number, since 2×201010201231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201010201237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48121015 + ... + 48125191.

It is an arithmetic number, because the mean of its divisors is an integer number (14372495476).

Almost surely, 2^201010201231 is an apocalyptic number.

201010201231 is a deficient number, since it is larger than the sum of its proper divisors (28949726385).

201010201231 is a wasteful number, since it uses less digits than its factorization.

201010201231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9538.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 201010201231 its reverse (132102010102), we get a palindrome (333112211333).

The spelling of 201010201231 in words is "two hundred one billion, ten million, two hundred one thousand, two hundred thirty-one".