Search a number
-
+
223023302312131 = 1811232172940951
BaseRepresentation
bin110010101101011010101000…
…101101100000000011000011
31002020122211010101202221112201
4302231122220231200003003
5213213003210342442011
62110155253552334031
764655621224102546
oct6255325055400303
91066584111687481
10223023302312131
1165075718a4a062
122101b4b0844317
13975a01298bc89
143d1055787c85d
151abb534292cc1
hexcad6a8b600c3

223023302312131 has 4 divisors (see below), whose sum is σ = 224255475253264. Its totient is φ = 221791129371000.

The previous prime is 223023302312113. The next prime is 223023302312179. The reversal of 223023302312131 is 131213203320322.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 223023302312131 - 217 = 223023302181059 is a prime.

It is a super-2 number, since 2×2230233023121312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 223023302312131.

It is not an unprimeable number, because it can be changed into a prime (223023302312831) 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, 616086470295 + ... + 616086470656.

It is an arithmetic number, because the mean of its divisors is an integer number (56063868813316).

Almost surely, 2223023302312131 is an apocalyptic number.

223023302312131 is a deficient number, since it is larger than the sum of its proper divisors (1232172941133).

223023302312131 is a wasteful number, since it uses less digits than its factorization.

223023302312131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232172941132.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 223023302312131 its reverse (131213203320322), we get a palindrome (354236505632453).

The spelling of 223023302312131 in words is "two hundred twenty-three trillion, twenty-three billion, three hundred two million, three hundred twelve thousand, one hundred thirty-one".

Divisors: 1 181 1232172940951 223023302312131