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431430240315323 = 37591511308819931
BaseRepresentation
bin110001000011000100010111…
…0001110000010011110111011
32002120120022212020102212010102
41202012020232032002132323
5423022023113010042243
64125324152151510015
7156605543354405324
oct14206105616023673
92076508766385112
10431430240315323
111155155a0327477
124047a0a268830b
131569690a68a472
14787749952344b
1534d2755d109b8
hex188622e3827bb

431430240315323 has 16 divisors (see below), whose sum is σ = 453584635633920. Its totient is φ = 409922402076000.

The previous prime is 431430240315317. The next prime is 431430240315329. The reversal of 431430240315323 is 323513042034134.

It is an interprime number because it is at equal distance from previous prime (431430240315317) and next prime (431430240315329).

It is a cyclic number.

It is not a de Polignac number, because 431430240315323 - 26 = 431430240315259 is a prime.

It is a super-2 number, since 2×4314302403153232 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431430240315329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 654080333 + ... + 654739598.

It is an arithmetic number, because the mean of its divisors is an integer number (28349039727120).

Almost surely, 2431430240315323 is an apocalyptic number.

431430240315323 is a deficient number, since it is larger than the sum of its proper divisors (22154395318597).

431430240315323 is a wasteful number, since it uses less digits than its factorization.

431430240315323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308820178.

The product of its (nonzero) digits is 311040, while the sum is 38.

Adding to 431430240315323 its reverse (323513042034134), we get a palindrome (754943282349457).

The spelling of 431430240315323 in words is "four hundred thirty-one trillion, four hundred thirty billion, two hundred forty million, three hundred fifteen thousand, three hundred twenty-three".

Divisors: 1 37 59 151 2183 5587 8909 329633 1308819931 48426337447 77220375929 197631809581 2857153909373 7312376954497 11660276765279 431430240315323