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20132314423431 = 372933057987559
BaseRepresentation
bin1001001001111011010110…
…11100110010000010000111
32122021122000121101122100220
410210331223130302002013
510114321434443022211
6110452354011235423
74145340343042260
oct444755334620207
978248017348326
1020132314423431
116462080709801
12231193b448b73
13b30613810792
144d85a2c6b967
1524da4aeb9806
hex124f6b732087

20132314423431 has 16 divisors (see below), whose sum is σ = 31735668057600. Its totient is φ = 11107483819488.

The previous prime is 20132314423381. The next prime is 20132314423433. The reversal of 20132314423431 is 13432441323102.

It is not a de Polignac number, because 20132314423431 - 27 = 20132314423303 is a prime.

It is a super-2 number, since 2×201323144234312 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20132314423392 and 20132314423401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20132314423433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16528993171 + ... + 16528994388.

It is an arithmetic number, because the mean of its divisors is an integer number (1983479253600).

Almost surely, 220132314423431 is an apocalyptic number.

20132314423431 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20132314423431 is a deficient number, since it is larger than the sum of its proper divisors (11603353634169).

20132314423431 is a wasteful number, since it uses less digits than its factorization.

20132314423431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33057987598.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 20132314423431 its reverse (13432441323102), we get a palindrome (33564755746533).

The spelling of 20132314423431 in words is "twenty trillion, one hundred thirty-two billion, three hundred fourteen million, four hundred twenty-three thousand, four hundred thirty-one".

Divisors: 1 3 7 21 29 87 203 609 33057987559 99173962677 231405912913 694217738739 958681639211 2876044917633 6710771474477 20132314423431