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131231223114 = 23137591589641
BaseRepresentation
bin111101000110111111…
…1011000110101001010
3110112201201200212012220
41322031333120311022
54122230143114424
6140141540314510
712324013664055
oct1721577306512
9415651625186
10131231223114
11507226712a2
12215250a2a36
13c4b4cab914
1464ccc05a9c
153630eba579
hex1e8dfd8d4a

131231223114 has 16 divisors (see below), whose sum is σ = 262481687040. Its totient is φ = 43740534240.

The previous prime is 131231223061. The next prime is 131231223127. The reversal of 131231223114 is 411322132131.

131231223114 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 712267 + ... + 877374.

It is an arithmetic number, because the mean of its divisors is an integer number (16405105440).

Almost surely, 2131231223114 is an apocalyptic number.

131231223114 is an abundant number, since it is smaller than the sum of its proper divisors (131250463926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131231223114 is a wasteful number, since it uses less digits than its factorization.

131231223114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603405.

The product of its digits is 864, while the sum is 24.

Adding to 131231223114 its reverse (411322132131), we get a palindrome (542553355245).

The spelling of 131231223114 in words is "one hundred thirty-one billion, two hundred thirty-one million, two hundred twenty-three thousand, one hundred fourteen".

Divisors: 1 2 3 6 13759 27518 41277 82554 1589641 3179282 4768923 9537846 21871870519 43743741038 65615611557 131231223114