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3112310123111 = 7103241909297
BaseRepresentation
bin101101010010100100001…
…000111010101001100111
3102000112102020120122222102
4231102210020322221213
5401443002342414421
610341435303122315
7440566642360250
oct55224410725147
912015366518872
103112310123111
11a9aa17a21542
1242322a44339b
13197649807857
14aa8cac21b27
1555e5955c60b
hex2d4a423aa67

3112310123111 has 12 divisors (see below), whose sum is σ = 3591794475792. Its totient is φ = 2641794382656.

The previous prime is 3112310123063. The next prime is 3112310123171. The reversal of 3112310123111 is 1113210132113.

It is a de Polignac number, because none of the positive numbers 2k-3112310123111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3112310123171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20880386 + ... + 21028911.

It is an arithmetic number, because the mean of its divisors is an integer number (299316206316).

Almost surely, 23112310123111 is an apocalyptic number.

3112310123111 is a deficient number, since it is larger than the sum of its proper divisors (479484352681).

3112310123111 is an equidigital number, since it uses as much as digits as its factorization.

3112310123111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41909510 (or 41909407 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 3112310123111 its reverse (1113210132113), we get a palindrome (4225520255224).

The spelling of 3112310123111 in words is "three trillion, one hundred twelve billion, three hundred ten million, one hundred twenty-three thousand, one hundred eleven".

Divisors: 1 7 103 721 10609 74263 41909297 293365079 4316657591 30216603137 444615731873 3112310123111