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23331103431 = 337210190121
BaseRepresentation
bin10101101110101001…
…000110001011000111
32020012222120212002220
4111232221012023013
5340240230302211
614415042303423
71454111051466
oct255651061307
966188525086
1023331103431
119992888369
124631657b73
13227a85a25c
1411b487a9dd
15918414806
hex56ea462c7

23331103431 has 8 divisors (see below), whose sum is σ = 31948898544. Its totient is φ = 15133688640.

The previous prime is 23331103391. The next prime is 23331103441. The reversal of 23331103431 is 13430113332.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23331103431 - 211 = 23331101383 is a prime.

It is a super-2 number, since 2×233311034312 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23331103441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105094950 + ... + 105095171.

It is an arithmetic number, because the mean of its divisors is an integer number (3993612318).

Almost surely, 223331103431 is an apocalyptic number.

23331103431 is a deficient number, since it is larger than the sum of its proper divisors (8617795113).

23331103431 is a wasteful number, since it uses less digits than its factorization.

23331103431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210190161.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 23331103431 its reverse (13430113332), we get a palindrome (36761216763).

Subtracting from 23331103431 its reverse (13430113332), we obtain a palindrome (9900990099).

The spelling of 23331103431 in words is "twenty-three billion, three hundred thirty-one million, one hundred three thousand, four hundred thirty-one".

Divisors: 1 3 37 111 210190121 630570363 7777034477 23331103431