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102231113 = 239745823
BaseRepresentation
bin1100001011111…
…10110001001001
321010100212201112
412011332301021
5202132343423
614051100105
72350643615
oct605766111
9233325645
10102231113
1152785826
122a2a1635
13182451aa
14d812345
158e95a78
hex617ec49

102231113 has 8 divisors (see below), whose sum is σ = 107778048. Its totient is φ = 96776064.

The previous prime is 102231109. The next prime is 102231127. The reversal of 102231113 is 311132201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102231113 - 22 = 102231109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102231133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20681 + ... + 25142.

It is an arithmetic number, because the mean of its divisors is an integer number (13472256).

Almost surely, 2102231113 is an apocalyptic number.

It is an amenable number.

102231113 is a deficient number, since it is larger than the sum of its proper divisors (5546935).

102231113 is an equidigital number, since it uses as much as digits as its factorization.

102231113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45943.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 102231113 is about 10110.9402629033. The cubic root of 102231113 is about 467.5854941968.

Adding to 102231113 its reverse (311132201), we get a palindrome (413363314).

The spelling of 102231113 in words is "one hundred two million, two hundred thirty-one thousand, one hundred thirteen".

Divisors: 1 23 97 2231 45823 1053929 4444831 102231113