Search a number
-
+
202211031023 = 265987760229
BaseRepresentation
bin1011110001010010110…
…1110111011111101111
3201022221102201200212022
42330110231313133233
511303112010443043
6232521112100355
720415656255411
oct2742455673757
9638842650768
10202211031023
1178836945571
12332340946bb
13160b7413761
149b039d09b1
1553d761e868
hex2f14b777ef

202211031023 has 4 divisors (see below), whose sum is σ = 202212057240. Its totient is φ = 202210004808.

The previous prime is 202211031019. The next prime is 202211031059. The reversal of 202211031023 is 320130112202.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 320130112202 = 2160065056101.

It is a cyclic number.

It is not a de Polignac number, because 202211031023 - 22 = 202211031019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202211030992 and 202211031010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202211031013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114128 + ... + 646101.

It is an arithmetic number, because the mean of its divisors is an integer number (50553014310).

Almost surely, 2202211031023 is an apocalyptic number.

202211031023 is a deficient number, since it is larger than the sum of its proper divisors (1026217).

202211031023 is an equidigital number, since it uses as much as digits as its factorization.

202211031023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026216.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 202211031023 its reverse (320130112202), we get a palindrome (522341143225).

The spelling of 202211031023 in words is "two hundred two billion, two hundred eleven million, thirty-one thousand, twenty-three".

Divisors: 1 265987 760229 202211031023