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1342442431431 = 3489237185723
BaseRepresentation
bin10011100010001111110…
…011011110001111000111
311202100002010021100210000
4103202033303132033013
5133443310230301211
62504413132132343
7165662655251463
oct23421763361707
94670063240700
101342442431431
11478365834102
121982113070b3
13997901a0aaa
1448d9029d4a3
1524dc0065656
hex1388fcde3c7

1342442431431 has 20 divisors (see below), whose sum is σ = 2005410235752. Its totient is φ = 894946773168.

The previous prime is 1342442431417. The next prime is 1342442431439. The reversal of 1342442431431 is 1341342442431.

1342442431431 is a `hidden beast` number, since 1 + 34 + 2 + 442 + 43 + 143 + 1 = 666.

It is not a de Polignac number, because 1342442431431 - 214 = 1342442415047 is a prime.

It is a super-2 number, since 2×13424424314312 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342442431439) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7135336 + ... + 7321058.

Almost surely, 21342442431431 is an apocalyptic number.

1342442431431 is a deficient number, since it is larger than the sum of its proper divisors (662967804321).

1342442431431 is an equidigital number, since it uses as much as digits as its factorization.

1342442431431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274972 (or 274963 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

Adding to 1342442431431 its reverse (1341342442431), we get a palindrome (2683784873862).

The spelling of 1342442431431 in words is "one trillion, three hundred forty-two billion, four hundred forty-two million, four hundred thirty-one thousand, four hundred thirty-one".

Divisors: 1 3 9 27 81 89237 185723 267711 557169 803133 1671507 2409399 5014521 7228197 15043563 16573363351 49720090053 149160270159 447480810477 1342442431431