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23300110031 = 112118191821
BaseRepresentation
bin10101101100110010…
…110111011011001111
32020010211021020011012
4111230302313123033
5340204312010111
614412014115435
71453253444642
oct255462673317
966124236135
1023300110031
119977339590
1246231abb7b
1322742c8073
1411b06cda59
1591584148b
hex56ccb76cf

23300110031 has 4 divisors (see below), whose sum is σ = 25418301864. Its totient is φ = 21181918200.

The previous prime is 23300110013. The next prime is 23300110051. The reversal of 23300110031 is 13001100332.

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 23300110031 - 26 = 23300109967 is a prime.

It is a super-2 number, since 2×233001100312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23300109988 and 23300110015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23300110051) 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, 1059095900 + ... + 1059095921.

It is an arithmetic number, because the mean of its divisors is an integer number (6354575466).

Almost surely, 223300110031 is an apocalyptic number.

23300110031 is a deficient number, since it is larger than the sum of its proper divisors (2118191833).

23300110031 is a wasteful number, since it uses less digits than its factorization.

23300110031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2118191832.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 23300110031 its reverse (13001100332), we get a palindrome (36301210363).

It can be divided in two parts, 23300 and 110031, that added together give a palindrome (133331).

The spelling of 23300110031 in words is "twenty-three billion, three hundred million, one hundred ten thousand, thirty-one".

Divisors: 1 11 2118191821 23300110031