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20231130111 = 357427117431
BaseRepresentation
bin10010110101110111…
…101000101111111111
31221012221102220011020
4102311313220233333
5312413132130421
613143303155223
71314226524423
oct226567505777
957187386136
1020231130111
118641a44545
123b07445b13
131ba554140a
14d9cc8cb83
157d61c3dc6
hex4b5de8bff

20231130111 has 8 divisors (see below), whose sum is σ = 26975539584. Its totient is φ = 13487070360.

The previous prime is 20231130107. The next prime is 20231130151. The reversal of 20231130111 is 11103113202.

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 20231130111 - 22 = 20231130107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20231130151) 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, 113566 + ... + 230996.

It is an arithmetic number, because the mean of its divisors is an integer number (3371942448).

Almost surely, 220231130111 is an apocalyptic number.

20231130111 is a deficient number, since it is larger than the sum of its proper divisors (6744409473).

20231130111 is a wasteful number, since it uses less digits than its factorization.

20231130111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174861.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 20231130111 its reverse (11103113202), we get a palindrome (31334243313).

The spelling of 20231130111 in words is "twenty billion, two hundred thirty-one million, one hundred thirty thousand, one hundred eleven".

Divisors: 1 3 57427 117431 172281 352293 6743710037 20231130111