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112113012131 = 195900684849
BaseRepresentation
bin110100001101001110…
…1001100110110100011
3101201101100102010002122
41220122131030312203
53314101412342011
6123300510534455
711046156610451
oct1503235146643
9351340363078
10112113012131
114360196642a
121988a50742b
13a7591c2643
1455d7a999d1
152db28803db
hex1a1a74cda3

112113012131 has 4 divisors (see below), whose sum is σ = 118013697000. Its totient is φ = 106212327264.

The previous prime is 112113012079. The next prime is 112113012181. The reversal of 112113012131 is 131210311211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131210311211 = 718744330173.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-112113012131 is a prime.

It is a super-2 number, since 2×1121130121312 (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 (112113012181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2950342406 + ... + 2950342443.

It is an arithmetic number, because the mean of its divisors is an integer number (29503424250).

Almost surely, 2112113012131 is an apocalyptic number.

112113012131 is a deficient number, since it is larger than the sum of its proper divisors (5900684869).

112113012131 is an equidigital number, since it uses as much as digits as its factorization.

112113012131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5900684868.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 112113012131 its reverse (131210311211), we get a palindrome (243323323342).

The spelling of 112113012131 in words is "one hundred twelve billion, one hundred thirteen million, twelve thousand, one hundred thirty-one".

Divisors: 1 19 5900684849 112113012131