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102131323 = 746131649
BaseRepresentation
bin1100001011001…
…10011001111011
321010011210211121
412011212121323
5202121200243
614045010111
72350046650
oct605463173
9233153747
10102131323
1152717858
122a253937
131820b948
14d7c7c27
158e761ed
hex616667b

102131323 has 8 divisors (see below), whose sum is σ = 116978400. Its totient is φ = 87348480.

The previous prime is 102131269. The next prime is 102131347. The reversal of 102131323 is 323131201.

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 102131323 - 225 = 68576891 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102131297 and 102131306.

It is not an unprimeable number, because it can be changed into a prime (102131353) 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, 12598 + ... + 19051.

It is an arithmetic number, because the mean of its divisors is an integer number (14622300).

Almost surely, 2102131323 is an apocalyptic number.

102131323 is a deficient number, since it is larger than the sum of its proper divisors (14847077).

102131323 is an equidigital number, since it uses as much as digits as its factorization.

102131323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32117.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 102131323 is about 10106.0043043727. The cubic root of 102131323 is about 467.4333045636.

Adding to 102131323 its reverse (323131201), we get a palindrome (425262524).

The spelling of 102131323 in words is "one hundred two million, one hundred thirty-one thousand, three hundred twenty-three".

Divisors: 1 7 461 3227 31649 221543 14590189 102131323