202001311101231 has 48 divisors (see below), whose sum is σ = 293619670456320. Its totient is φ = 133819866720000.

The previous prime is 202001311101229. The next prime is 202001311101251. The reversal of 202001311101231 is 132101113100202.

202001311101231 is a `hidden beast` number, since 2 + 0 + 20 + 0 + 1 + 311 + 101 + 231 = 666.

202001311101231 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 202001311101231 - 2¹ = 202001311101229 is a prime.

It is a super-2 number, since 2×202001311101231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202001311101221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11930846836 + ... + 11930863766.

It is an arithmetic number, because the mean of its divisors is an integer number (6117076467840).

Almost surely, 2^{202001311101231} is an apocalyptic number.

202001311101231 is a deficient number, since it is larger than the sum of its proper divisors (91618359355089).

202001311101231 is a wasteful number, since it uses less digits than its factorization.

202001311101231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24108 (or 24105 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 202001311101231 its reverse (132101113100202), we get a palindrome (334102424201433).

The spelling of 202001311101231 in words is "two hundred two trillion, one billion, three hundred eleven million, one hundred one thousand, two hundred thirty-one".