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23102001319 = 31745225849
BaseRepresentation
bin10101100000111111…
…001001000010100111
32012122000111021002111
4111200333021002213
5334303103020234
614340220021451
71445326525345
oct254077110247
965560437074
1023102001319
119885528581
124588991887
132242253887
141192280995
1590325c664
hex560fc90a7

23102001319 has 4 divisors (see below), whose sum is σ = 23847227200. Its totient is φ = 22356775440.

The previous prime is 23102001317. The next prime is 23102001347. The reversal of 23102001319 is 91310020132.

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 23102001319 - 21 = 23102001317 is a prime.

It is a super-2 number, since 2×231020013192 (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 23102001319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23102001317) 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, 372612894 + ... + 372612955.

It is an arithmetic number, because the mean of its divisors is an integer number (5961806800).

Almost surely, 223102001319 is an apocalyptic number.

23102001319 is a deficient number, since it is larger than the sum of its proper divisors (745225881).

23102001319 is an equidigital number, since it uses as much as digits as its factorization.

23102001319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745225880.

The product of its (nonzero) digits is 324, while the sum is 22.

The spelling of 23102001319 in words is "twenty-three billion, one hundred two million, one thousand, three hundred nineteen".

Divisors: 1 31 745225849 23102001319