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23313212101 = 91381255121
BaseRepresentation
bin10101101101100100…
…110110001011000101
32020011201220212211001
4111231210312023011
5340221140241401
614413203013301
71453503014254
oct255544661305
966151825731
1023313212101
119983778343
12462766a231
132276c3487a
1411b234079b
15916a7d601
hex56d9362c5

23313212101 has 4 divisors (see below), whose sum is σ = 23313558604. Its totient is φ = 23312865600.

The previous prime is 23313212077. The next prime is 23313212179. The reversal of 23313212101 is 10121231332.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12497004100 + 10816208001 = 111790^2 + 104001^2 .

It is a cyclic number.

It is not a de Polignac number, because 23313212101 - 29 = 23313211589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23313210101) 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, 36180 + ... + 218941.

It is an arithmetic number, because the mean of its divisors is an integer number (5828389651).

Almost surely, 223313212101 is an apocalyptic number.

It is an amenable number.

23313212101 is a deficient number, since it is larger than the sum of its proper divisors (346503).

23313212101 is an equidigital number, since it uses as much as digits as its factorization.

23313212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346502.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 23313212101 its reverse (10121231332), we get a palindrome (33434443433).

The spelling of 23313212101 in words is "twenty-three billion, three hundred thirteen million, two hundred twelve thousand, one hundred one".

Divisors: 1 91381 255121 23313212101