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112021233131 = 234870488397
BaseRepresentation
bin110100001010011111…
…1000101110111101011
3101201010221201020222102
41220110333011313223
53313404413430011
6123243431444015
711043663525263
oct1502477056753
9351127636872
10112021233131
114356507a515
121986382660b
13a743199a42
1455c98087a3
152da97a173b
hex1a14fc5deb

112021233131 has 4 divisors (see below), whose sum is σ = 116891721552. Its totient is φ = 107150744712.

The previous prime is 112021233073. The next prime is 112021233139. The reversal of 112021233131 is 131332120211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131332120211 = 257511019923.

It is a cyclic number.

It is not a de Polignac number, because 112021233131 - 226 = 111954124267 is a prime.

It is a super-2 number, since 2×1120212331312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112021233139) 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, 2435244176 + ... + 2435244221.

It is an arithmetic number, because the mean of its divisors is an integer number (29222930388).

Almost surely, 2112021233131 is an apocalyptic number.

112021233131 is a deficient number, since it is larger than the sum of its proper divisors (4870488421).

112021233131 is an equidigital number, since it uses as much as digits as its factorization.

112021233131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4870488420.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 112021233131 its reverse (131332120211), we get a palindrome (243353353342).

The spelling of 112021233131 in words is "one hundred twelve billion, twenty-one million, two hundred thirty-three thousand, one hundred thirty-one".

Divisors: 1 23 4870488397 112021233131