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14431020140031 = 3112947931481077
BaseRepresentation
bin1101000111111111101111…
…0101000100010111111111
31220002120222121100201011120
43101333323311010113333
53342414212123440111
650405304044322023
73016415063162445
oct321777365042777
956076877321146
1014431020140031
114664185720350
1217509b3543313
13808abb0c6621
1437c67234ab95
151a05b5c7e406
hexd1ffbd445ff

14431020140031 has 32 divisors (see below), whose sum is σ = 21759721113600. Its totient is φ = 8426854423680.

The previous prime is 14431020140023. The next prime is 14431020140063. The reversal of 14431020140031 is 13004102013441.

It is not a de Polignac number, because 14431020140031 - 23 = 14431020140023 is a prime.

It is a super-2 number, since 2×144310201400312 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14431020139983 and 14431020140010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14431020140071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15282136 + ... + 16198941.

It is an arithmetic number, because the mean of its divisors is an integer number (679991284800).

Almost surely, 214431020140031 is an apocalyptic number.

14431020140031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

14431020140031 is a deficient number, since it is larger than the sum of its proper divisors (7328700973569).

14431020140031 is a wasteful number, since it uses less digits than its factorization.

14431020140031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31481599.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 14431020140031 its reverse (13004102013441), we get a palindrome (27435122153472).

The spelling of 14431020140031 in words is "fourteen trillion, four hundred thirty-one billion, twenty million, one hundred forty thousand, thirty-one".

Divisors: 1 3 11 29 33 87 319 479 957 1437 5269 13891 15807 41673 152801 458403 31481077 94443231 346291847 912951233 1038875541 2738853699 10042463563 15079435883 30127390689 45238307649 165873794713 437303640607 497621384139 1311910921821 4810340046677 14431020140031