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23120433030031 = 231005236218697
BaseRepresentation
bin1010100000111001001010…
…01100101010001110001111
310000212021212201201121010121
411100130211030222032033
511012301121323430111
6121101214051245411
74604252612111431
oct520344514521617
9100767781647117
1023120433030031
117404358773797
122714a8a2a9867
13cb932a93578c
1459d06bbbc651
152a16375ba871
hex15072532a38f

23120433030031 has 4 divisors (see below), whose sum is σ = 24125669248752. Its totient is φ = 22115196811312.

The previous prime is 23120433030011. The next prime is 23120433030059. The reversal of 23120433030031 is 13003033402132.

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

It is not a de Polignac number, because 23120433030031 - 219 = 23120432505743 is a prime.

It is a super-2 number, since 2×231204330300312 (a number of 28 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 = 23120433029978 and 23120433030005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23120433030011) 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, 502618109326 + ... + 502618109371.

It is an arithmetic number, because the mean of its divisors is an integer number (6031417312188).

Almost surely, 223120433030031 is an apocalyptic number.

23120433030031 is a deficient number, since it is larger than the sum of its proper divisors (1005236218721).

23120433030031 is a wasteful number, since it uses less digits than its factorization.

23120433030031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005236218720.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 23120433030031 its reverse (13003033402132), we get a palindrome (36123466432163).

The spelling of 23120433030031 in words is "twenty-three trillion, one hundred twenty billion, four hundred thirty-three million, thirty thousand, thirty-one".

Divisors: 1 23 1005236218697 23120433030031