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23103132310133 = 171359007782949
BaseRepresentation
bin1010100000011000111011…
…11111101001101001110101
310000210122020000100222001222
411100030131333221221311
511012010203332411013
6121045233225000125
74603101104322011
oct520143577515165
9100718200328058
1023103132310133
1173a7a8a989877
122711660323045
13cb7801551a05
1459c2aa1bd541
152a0e737e1508
hex15031dfe9a75

23103132310133 has 4 divisors (see below), whose sum is σ = 24462140093100. Its totient is φ = 21744124527168.

The previous prime is 23103132310127. The next prime is 23103132310169. The reversal of 23103132310133 is 33101323130132.

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 20539540651249 + 2563591658884 = 4532057^2 + 1601122^2 .

It is a cyclic number.

It is not a de Polignac number, because 23103132310133 - 226 = 23103065201269 is a prime.

It is a super-2 number, since 2×231031323101332 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23103132310123) 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, 679503891458 + ... + 679503891491.

It is an arithmetic number, because the mean of its divisors is an integer number (6115535023275).

Almost surely, 223103132310133 is an apocalyptic number.

It is an amenable number.

23103132310133 is a deficient number, since it is larger than the sum of its proper divisors (1359007782967).

23103132310133 is a wasteful number, since it uses less digits than its factorization.

23103132310133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1359007782966.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 23103132310133 its reverse (33101323130132), we get a palindrome (56204455440265).

The spelling of 23103132310133 in words is "twenty-three trillion, one hundred three billion, one hundred thirty-two million, three hundred ten thousand, one hundred thirty-three".

Divisors: 1 17 1359007782949 23103132310133