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31424434414 = 21710128573203
BaseRepresentation
bin11101010001000010…
…101101000011101110
310000010000121200001021
4131101002231003232
51003324123400124
622234114404354
72161504166602
oct352102550356
9100100550037
1031424434414
111236630175a
12610bb906ba
132c6a51a4b9
1417416bb502
15c3dbe87e4
hex7510ad0ee

31424434414 has 32 divisors (see below), whose sum is σ = 50436932256. Its totient is φ = 14631859200.

The previous prime is 31424434399. The next prime is 31424434417. The reversal of 31424434414 is 41443442413.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 31424434414.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31424434417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9809337 + ... + 9812539.

It is an arithmetic number, because the mean of its divisors is an integer number (1576154133).

Almost surely, 231424434414 is an apocalyptic number.

31424434414 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

31424434414 is a deficient number, since it is larger than the sum of its proper divisors (19012497842).

31424434414 is a wasteful number, since it uses less digits than its factorization.

31424434414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6180.

The product of its digits is 73728, while the sum is 34.

Adding to 31424434414 its reverse (41443442413), we get a palindrome (72867876827).

The spelling of 31424434414 in words is "thirty-one billion, four hundred twenty-four million, four hundred thirty-four thousand, four hundred fourteen".

Divisors: 1 2 17 34 101 202 1717 2857 3203 3434 5714 6406 48569 54451 97138 108902 288557 323503 577114 647006 4905469 5499551 9150971 9810938 10999102 18301942 155566507 311133014 924248071 1848496142 15712217207 31424434414