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102031313023 = 233467937693
BaseRepresentation
bin101111100000110001…
…0100100100001111111
3100202100201220201212101
41133001202210201333
53132430004004043
6114512245045531
710241300564623
oct1370142444177
9322321821771
10102031313023
113a2a901a6a2
12179360b68a7
1398105cb603
144d1cb4b183
1529c273524d
hex17c18a487f

102031313023 has 8 divisors (see below), whose sum is σ = 102688745328. Its totient is φ = 101375757504.

The previous prime is 102031313009. The next prime is 102031313039. The reversal of 102031313023 is 320313130201.

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

It is not a de Polignac number, because 102031313023 - 213 = 102031304831 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 (102031313093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360036 + ... + 577657.

It is an arithmetic number, because the mean of its divisors is an integer number (12836093166).

Almost surely, 2102031313023 is an apocalyptic number.

102031313023 is a deficient number, since it is larger than the sum of its proper divisors (657432305).

102031313023 is an equidigital number, since it uses as much as digits as its factorization.

102031313023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938393.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 102031313023 its reverse (320313130201), we get a palindrome (422344443224).

The spelling of 102031313023 in words is "one hundred two billion, thirty-one million, three hundred thirteen thousand, twenty-three".

Divisors: 1 233 467 108811 937693 218482469 437902631 102031313023