Search a number
-
+
23131310032003 = 76087130401093
BaseRepresentation
bin1010100001001101011011…
…00001001000010010000011
310000220022221202201112210111
411100212231201020102003
511012440410332011003
6121110213243212151
74605116266105435
oct520465541102203
9100808852645714
1023131310032003
117408a2a532318
122717004b17057
13cba372226714
1459d7c05d2655
152a1a72460e6d
hex1509ad848483

23131310032003 has 4 divisors (see below), whose sum is σ = 23131341193968. Its totient is φ = 23131278870040.

The previous prime is 23131310032001. The next prime is 23131310032009. The reversal of 23131310032003 is 30023001313132.

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 23131310032003 - 21 = 23131310032001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23131310032001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14439676 + ... + 15961417.

It is an arithmetic number, because the mean of its divisors is an integer number (5782835298492).

Almost surely, 223131310032003 is an apocalyptic number.

23131310032003 is a deficient number, since it is larger than the sum of its proper divisors (31161965).

23131310032003 is an equidigital number, since it uses as much as digits as its factorization.

23131310032003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31161964.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 23131310032003 its reverse (30023001313132), we get a palindrome (53154311345135).

The spelling of 23131310032003 in words is "twenty-three trillion, one hundred thirty-one billion, three hundred ten million, thirty-two thousand, three".

Divisors: 1 760871 30401093 23131310032003