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1431042023 = 6833209431
BaseRepresentation
bin101010101001011…
…1111011111100111
310200201202110121102
41111102333133213
510412321321043
6354000110315
750314441115
oct12522773747
93621673542
101431042023
11674871064
1233b30539b
1319a629b38
14d80b2ab5
15859776b8
hex554bf7e7

1431042023 has 4 divisors (see below), whose sum is σ = 1431258288. Its totient is φ = 1430825760.

The previous prime is 1431042001. The next prime is 1431042047. The reversal of 1431042023 is 3202401341.

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 1431042023 - 28 = 1431041767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1431041986 and 1431042004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431042523) 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, 97883 + ... + 111548.

It is an arithmetic number, because the mean of its divisors is an integer number (357814572).

Almost surely, 21431042023 is an apocalyptic number.

1431042023 is a deficient number, since it is larger than the sum of its proper divisors (216265).

1431042023 is an equidigital number, since it uses as much as digits as its factorization.

1431042023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216264.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1431042023 is about 37829.1160747909. The cubic root of 1431042023 is about 1126.8967569338.

Adding to 1431042023 its reverse (3202401341), we get a palindrome (4633443364).

The spelling of 1431042023 in words is "one billion, four hundred thirty-one million, forty-two thousand, twenty-three".

Divisors: 1 6833 209431 1431042023