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1431240113 = 19235955511
BaseRepresentation
bin101010101001110…
…1111110110110001
310200202010112100002
41111103233312301
510412344140423
6354004235345
750316224462
oct12523576661
93622115302
101431240113
11674996976
1233b39bb55
1319a699054
14d8124d69
15859b6228
hex554efdb1

1431240113 has 16 divisors (see below), whose sum is σ = 1598745600. Its totient is φ = 1274953680.

The previous prime is 1431240071. The next prime is 1431240121. The reversal of 1431240113 is 3110421341.

It is a cyclic number.

It is not a de Polignac number, because 1431240113 - 28 = 1431239857 is a prime.

It is a super-2 number, since 2×14312401132 = 4096896522120505538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1431440113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1973 + ... + 53538.

It is an arithmetic number, because the mean of its divisors is an integer number (99921600).

Almost surely, 21431240113 is an apocalyptic number.

It is an amenable number.

1431240113 is a deficient number, since it is larger than the sum of its proper divisors (167505487).

1431240113 is a wasteful number, since it uses less digits than its factorization.

1431240113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55612.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1431240113 is about 37831.7342055582. The cubic root of 1431240113 is about 1126.9487509064.

Adding to 1431240113 its reverse (3110421341), we get a palindrome (4541661454).

The spelling of 1431240113 in words is "one billion, four hundred thirty-one million, two hundred forty thousand, one hundred thirteen".

Divisors: 1 19 23 59 437 1121 1357 25783 55511 1054709 1276753 3275149 24258307 62227831 75328427 1431240113