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112312031321 = 7739716313901
BaseRepresentation
bin110100010011001010…
…0011001100001011001
3101201220012220100002202
41220212110121201121
53320003340000241
6123332340335545
711054124341360
oct1504624314131
9351805810082
10112312031321
11436a42394a6
12199250a45b5
13a78b4c5389
1456162a47d7
152dc5093d9b
hex1a26519859

112312031321 has 32 divisors (see below), whose sum is σ = 132272302848. Its totient is φ = 93386649600.

The previous prime is 112312031311. The next prime is 112312031323. The reversal of 112312031321 is 123130213211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 112312031321 - 210 = 112312030297 is a prime.

It is a super-2 number, since 2×1123120313212 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112312031293 and 112312031302.

It is not an unprimeable number, because it can be changed into a prime (112312031323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8072471 + ... + 8086371.

It is an arithmetic number, because the mean of its divisors is an integer number (4133509464).

Almost surely, 2112312031321 is an apocalyptic number.

It is an amenable number.

112312031321 is a deficient number, since it is larger than the sum of its proper divisors (19960271527).

112312031321 is a wasteful number, since it uses less digits than its factorization.

112312031321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14241.

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

Adding to 112312031321 its reverse (123130213211), we get a palindrome (235442244532).

The spelling of 112312031321 in words is "one hundred twelve billion, three hundred twelve million, thirty-one thousand, three hundred twenty-one".

Divisors: 1 7 73 97 163 511 679 1141 7081 11899 13901 15811 49567 83293 97307 110677 1014773 1154203 1348397 2265863 7103411 8079421 9438779 15861041 98432981 165407999 219788711 689030867 1157855993 1538520977 16044575903 112312031321