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131324135123 = 1992205129927
BaseRepresentation
bin111101001001110000…
…1110100011011010011
3110112222012112021112102
41322103201310123103
54122422434310443
6140155055551015
712326222505416
oct1722341643323
9415865467472
10131324135123
1150770061485
122155022b46b
13c4cb31013c
1464db2adb7d
15363921ecb8
hex1e938746d3

131324135123 has 8 divisors (see below), whose sum is σ = 131994451200. Its totient is φ = 130653923400.

The previous prime is 131324135119. The next prime is 131324135233. The reversal of 131324135123 is 321531423131.

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 131324135123 - 22 = 131324135119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131324135923) 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, 4373186 + ... + 4403112.

It is an arithmetic number, because the mean of its divisors is an integer number (16499306400).

Almost surely, 2131324135123 is an apocalyptic number.

131324135123 is a deficient number, since it is larger than the sum of its proper divisors (670316077).

131324135123 is a wasteful number, since it uses less digits than its factorization.

131324135123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52177.

The product of its digits is 6480, while the sum is 29.

Adding to 131324135123 its reverse (321531423131), we get a palindrome (452855558254).

The spelling of 131324135123 in words is "one hundred thirty-one billion, three hundred twenty-four million, one hundred thirty-five thousand, one hundred twenty-three".

Divisors: 1 199 22051 29927 4388149 5955473 659920277 131324135123