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2042323331431 = 7293128003501
BaseRepresentation
bin11101101110000011111…
…101001110100101100111
321020020121000122212000211
4131232003331032211213
5231430134233101211
64202121432520251
7300360450612625
oct35560375164547
97206530585024
102042323331431
11718165306149
1228b995b50087
1311a789a6a656
1470bc5840515
15381d3943e21
hex1db83f4e967

2042323331431 has 4 divisors (see below), whose sum is σ = 2042351407864. Its totient is φ = 2042295255000.

The previous prime is 2042323331417. The next prime is 2042323331443. The reversal of 2042323331431 is 1341333232402.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2042323331431 - 27 = 2042323331303 is a prime.

It is a super-2 number, since 2×20423233314312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2042323331393 and 2042323331402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042323331131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13928820 + ... + 14074681.

It is an arithmetic number, because the mean of its divisors is an integer number (510587851966).

Almost surely, 22042323331431 is an apocalyptic number.

2042323331431 is a deficient number, since it is larger than the sum of its proper divisors (28076433).

2042323331431 is an equidigital number, since it uses as much as digits as its factorization.

2042323331431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28076432.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 2042323331431 its reverse (1341333232402), we get a palindrome (3383656563833).

The spelling of 2042323331431 in words is "two trillion, forty-two billion, three hundred twenty-three million, three hundred thirty-one thousand, four hundred thirty-one".

Divisors: 1 72931 28003501 2042323331431