Search a number
-
+
223202031131 = 1713129531243
BaseRepresentation
bin1100111111011111100…
…0001011011000011011
3210100010022222222200202
43033313320023120123
512124104204444011
6250312042052415
722061103650432
oct3176770133033
9710108888622
10223202031131
1186728800642
1237311aaa10b
13180811c6c91
14ab35760119
155c1539023b
hex33f7e0b61b

223202031131 has 4 divisors (see below), whose sum is σ = 236331562392. Its totient is φ = 210072499872.

The previous prime is 223202031119. The next prime is 223202031149. The reversal of 223202031131 is 131130202322.

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 223202031131 - 26 = 223202031067 is a prime.

It is a super-3 number, since 3×2232020311313 (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223202031161) 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 3 ways as a sum of consecutive naturals, for example, 6564765605 + ... + 6564765638.

It is an arithmetic number, because the mean of its divisors is an integer number (59082890598).

Almost surely, 2223202031131 is an apocalyptic number.

223202031131 is a deficient number, since it is larger than the sum of its proper divisors (13129531261).

223202031131 is a wasteful number, since it uses less digits than its factorization.

223202031131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13129531260.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 223202031131 its reverse (131130202322), we get a palindrome (354332233453).

The spelling of 223202031131 in words is "two hundred twenty-three billion, two hundred two million, thirty-one thousand, one hundred thirty-one".

Divisors: 1 17 13129531243 223202031131