202104066431 has 12 divisors (see below), whose sum is σ = 209340495000. Its totient is φ = 195109783008.

The previous prime is 202104066377. The next prime is 202104066443. The reversal of 202104066431 is 134660401202.

It is not a de Polignac number, because 202104066431 - 2¹⁰ = 202104065407 is a prime.

It is a super-2 number, since 2×202104066431² (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 = 202104066394 and 202104066403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202104065431) 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 11 ways as a sum of consecutive naturals, for example, 12824945 + ... + 12840693.

It is an arithmetic number, because the mean of its divisors is an integer number (17445041250).

Almost surely, 2^202104066431 is an apocalyptic number.

202104066431 is a deficient number, since it is larger than the sum of its proper divisors (7236428569).

202104066431 is a wasteful number, since it uses less digits than its factorization.

202104066431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31066 (or 31037 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 202104066431 its reverse (134660401202), we get a palindrome (336764467633).

The spelling of 202104066431 in words is "two hundred two billion, one hundred four million, sixty-six thousand, four hundred thirty-one".