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23130211301 = 48774742713
BaseRepresentation
bin10101100010101010…
…110000001111100101
32012200222120110220122
4111202222300033211
5334332313230201
614343104411325
71446121360241
oct254252601745
965628513818
1023130211301
11989a44610a
124596316b45
13224804cb82
141195d05421
15905980e1b
hex562ab03e5

23130211301 has 4 divisors (see below), whose sum is σ = 23134958892. Its totient is φ = 23125463712.

The previous prime is 23130211267. The next prime is 23130211337. The reversal of 23130211301 is 10311203132.

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 8803318276 + 14326893025 = 93826^2 + 119695^2 .

It is a cyclic number.

It is not a de Polignac number, because 23130211301 - 226 = 23063102437 is a prime.

It is a super-2 number, since 2×231302113012 (a number of 22 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 23130211301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23130211201) 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, 2366480 + ... + 2376233.

It is an arithmetic number, because the mean of its divisors is an integer number (5783739723).

Almost surely, 223130211301 is an apocalyptic number.

It is an amenable number.

23130211301 is a deficient number, since it is larger than the sum of its proper divisors (4747591).

23130211301 is an equidigital number, since it uses as much as digits as its factorization.

23130211301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4747590.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 23130211301 its reverse (10311203132), we get a palindrome (33441414433).

The spelling of 23130211301 in words is "twenty-three billion, one hundred thirty million, two hundred eleven thousand, three hundred one".

Divisors: 1 4877 4742713 23130211301