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31422001430 = 256474856569
BaseRepresentation
bin11101010000111001…
…011011000100010110
310000002212001001121202
4131100321123010112
51003323013021210
622233550312502
72161444414421
oct352071330426
9100085031552
1031422001430
111236499a826
12610b1b8732
132c69b77c71
1417412469b8
15c3d8b79a5
hex750e5b116

31422001430 has 16 divisors (see below), whose sum is σ = 56647032480. Its totient is φ = 12549371712.

The previous prime is 31422001421. The next prime is 31422001441. The reversal of 31422001430 is 3410022413.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2421815 + ... + 2434754.

It is an arithmetic number, because the mean of its divisors is an integer number (3540439530).

Almost surely, 231422001430 is an apocalyptic number.

31422001430 is a deficient number, since it is larger than the sum of its proper divisors (25225031050).

31422001430 is a wasteful number, since it uses less digits than its factorization.

31422001430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4857223.

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

Adding to 31422001430 its reverse (3410022413), we get a palindrome (34832023843).

The spelling of 31422001430 in words is "thirty-one billion, four hundred twenty-two million, one thousand, four hundred thirty".

Divisors: 1 2 5 10 647 1294 3235 6470 4856569 9713138 24282845 48565690 3142200143 6284400286 15711000715 31422001430