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110312133231 = 3192215987337
BaseRepresentation
bin110011010111100011…
…1011001001001101111
3101112201211201222200010
41212233013121021233
53301404401230411
6122402055504303
710653431442606
oct1465707311157
9345654658603
10110312133231
1142868361463
1219467388093
13a530085521
1454a6834a3d
152d097017a6
hex19af1d926f

110312133231 has 16 divisors (see below), whose sum is σ = 154832806400. Its totient is φ = 69666879168.

The previous prime is 110312133203. The next prime is 110312133251. The reversal of 110312133231 is 132331213011.

It is a happy number.

It is not a de Polignac number, because 110312133231 - 26 = 110312133167 is a prime.

It is a super-2 number, since 2×1103121332312 (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 = 110312133198 and 110312133207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110312133251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1219395 + ... + 1306731.

It is an arithmetic number, because the mean of its divisors is an integer number (9677050400).

Almost surely, 2110312133231 is an apocalyptic number.

110312133231 is a deficient number, since it is larger than the sum of its proper divisors (44520673169).

110312133231 is a wasteful number, since it uses less digits than its factorization.

110312133231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109518.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 110312133231 its reverse (132331213011), we get a palindrome (242643346242).

The spelling of 110312133231 in words is "one hundred ten billion, three hundred twelve million, one hundred thirty-three thousand, two hundred thirty-one".

Divisors: 1 3 19 57 22159 66477 87337 262011 421021 1263063 1659403 4978209 1935300583 5805901749 36770711077 110312133231