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112103213131 = 7132958772367
BaseRepresentation
bin110100001100111011…
…1110100100001001011
3101201100122222021101201
41220121313310201023
53314041410310011
6123255520525031
711046010406110
oct1503167644113
9351318867351
10112103213131
11435a7383288
1219887180777
13a757171410
1455d6668907
152db1a96cc1
hex1a19df484b

112103213131 has 32 divisors (see below), whose sum is σ = 142976010240. Its totient is φ = 85491455616.

The previous prime is 112103213093. The next prime is 112103213143. The reversal of 112103213131 is 131312301211.

It is not a de Polignac number, because 112103213131 - 29 = 112103212619 is a prime.

It is a super-2 number, since 2×1121032131312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112103213099 and 112103213108.

It is not an unprimeable number, because it can be changed into a prime (112103213191) 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 31 ways as a sum of consecutive naturals, for example, 1512910 + ... + 1585276.

It is an arithmetic number, because the mean of its divisors is an integer number (4468000320).

Almost surely, 2112103213131 is an apocalyptic number.

112103213131 is a deficient number, since it is larger than the sum of its proper divisors (30872797109).

112103213131 is a wasteful number, since it uses less digits than its factorization.

112103213131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73003.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 112103213131 its reverse (131312301211), we get a palindrome (243415514342).

The spelling of 112103213131 in words is "one hundred twelve billion, one hundred three million, two hundred thirteen thousand, one hundred thirty-one".

Divisors: 1 7 13 29 91 203 377 587 2639 4109 7631 17023 53417 72367 119161 221299 506569 940771 1549093 2098643 6585397 14690501 27282359 42479429 190976513 297356003 552232577 1231903441 3865628039 8623324087 16014744733 112103213131