Search a number
-
+
23122300331 = 131778638487
BaseRepresentation
bin10101100010001100…
…100100110110101011
32012200102200120002202
4111202030210312223
5334323302102311
614342223050415
71445664211214
oct254214446653
965612616082
1023122300331
119895a32519
124593740a0b
132246510120
141194c4640b
15904e1be3b
hex562324dab

23122300331 has 4 divisors (see below), whose sum is σ = 24900938832. Its totient is φ = 21343661832.

The previous prime is 23122300309. The next prime is 23122300337. The reversal of 23122300331 is 13300322132.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23122300331 is a prime.

It is a super-2 number, since 2×231223003312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23122300337) 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, 889319231 + ... + 889319256.

It is an arithmetic number, because the mean of its divisors is an integer number (6225234708).

Almost surely, 223122300331 is an apocalyptic number.

23122300331 is a deficient number, since it is larger than the sum of its proper divisors (1778638501).

23122300331 is a wasteful number, since it uses less digits than its factorization.

23122300331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778638500.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 23122300331 its reverse (13300322132), we get a palindrome (36422622463).

The spelling of 23122300331 in words is "twenty-three billion, one hundred twenty-two million, three hundred thousand, three hundred thirty-one".

Divisors: 1 13 1778638487 23122300331