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23331122113 = 1321297106441
BaseRepresentation
bin10101101110101001…
…001010101111000001
32020012222121210201211
4111232221022233001
5340240231401423
614415042530121
71454111160115
oct255651125701
966188553654
1023331122113
1199928a0402
124631666941
13227a865900
1411b4883745
1591841a10d
hex56ea4abc1

23331122113 has 12 divisors (see below), whose sum is σ = 25283594028. Its totient is φ = 21519613440.

The previous prime is 23331122107. The next prime is 23331122117. The reversal of 23331122113 is 31122113332.

It can be written as a sum of positive squares in 6 ways, for example, as 3164850049 + 20166272064 = 56257^2 + 142008^2 .

It is not a de Polignac number, because 23331122113 - 25 = 23331122081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23331122117) 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, 165973 + ... + 272413.

It is an arithmetic number, because the mean of its divisors is an integer number (2106966169).

Almost surely, 223331122113 is an apocalyptic number.

It is an amenable number.

23331122113 is a deficient number, since it is larger than the sum of its proper divisors (1952471915).

23331122113 is a wasteful number, since it uses less digits than its factorization.

23331122113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107764 (or 107751 counting only the distinct ones).

The product of its digits is 648, while the sum is 22.

Adding to 23331122113 its reverse (31122113332), we get a palindrome (54453235445).

The spelling of 23331122113 in words is "twenty-three billion, three hundred thirty-one million, one hundred twenty-two thousand, one hundred thirteen".

Divisors: 1 13 169 1297 16861 106441 219193 1383733 17988529 138053977 1794701701 23331122113