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102112333231 = 296435476073
BaseRepresentation
bin101111100011001011…
…1101000110110101111
3100202120101100222200211
41133012113220312233
53133111224130411
6114524301403251
710243303340266
oct1370627506657
9322511328624
10102112333231
113a33a828347
1217959269527
13982432816c
144d297db5dd
1529c98db221
hex17c65e8daf

102112333231 has 8 divisors (see below), whose sum is σ = 105797749680. Its totient is φ = 98437870272.

The previous prime is 102112333217. The next prime is 102112333291. The reversal of 102112333231 is 132333211201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102112333231 is a prime.

It is a super-2 number, since 2×1021123332312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102112333291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2719390 + ... + 2756683.

It is an arithmetic number, because the mean of its divisors is an integer number (13224718710).

Almost surely, 2102112333231 is an apocalyptic number.

102112333231 is a deficient number, since it is larger than the sum of its proper divisors (3685416449).

102112333231 is an equidigital number, since it uses as much as digits as its factorization.

102112333231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5476745.

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

Adding to 102112333231 its reverse (132333211201), we get a palindrome (234445544432).

The spelling of 102112333231 in words is "one hundred two billion, one hundred twelve million, three hundred thirty-three thousand, two hundred thirty-one".

Divisors: 1 29 643 18647 5476073 158806117 3521114939 102112333231