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112200031031 = 1161167213161
BaseRepresentation
bin110100001111110100…
…1001001101100110111
3101201121102011010120212
41220133221021230313
53314241201443111
6123313300020035
711051264346044
oct1503751115467
9351542133525
10112200031031
1143646aa0a80
12198b369161b
13a77123c70a
14560546c1cb
152dba31d98b
hex1a1fa49b37

112200031031 has 8 divisors (see below), whose sum is σ = 124406592528. Its totient is φ = 100327896000.

The previous prime is 112200031007. The next prime is 112200031033. The reversal of 112200031031 is 130130002211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-112200031031 is a prime.

It is a super-2 number, since 2×1122000310312 (a number of 23 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 = 112200030997 and 112200031015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112200031033) 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, 83605910 + ... + 83607251.

It is an arithmetic number, because the mean of its divisors is an integer number (15550824066).

Almost surely, 2112200031031 is an apocalyptic number.

112200031031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

112200031031 is a deficient number, since it is larger than the sum of its proper divisors (12206561497).

112200031031 is a wasteful number, since it uses less digits than its factorization.

112200031031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167213233.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 112200031031 its reverse (130130002211), we get a palindrome (242330033242).

The spelling of 112200031031 in words is "one hundred twelve billion, two hundred million, thirty-one thousand, thirty-one".

Divisors: 1 11 61 671 167213161 1839344771 10200002821 112200031031