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31422020334 = 2313441389629
BaseRepresentation
bin11101010000111001…
…011111101011101110
310000002212002000112220
4131100321133223232
51003323014122314
622233550540210
72161444523505
oct352071375356
9100085060486
1031422020334
1112364a02a51
12610b207666
132c69b83753
14174124d83c
15c3d8bd3a9
hex750e5faee

31422020334 has 16 divisors (see below), whose sum is σ = 62848877520. Its totient is φ = 10473200640.

The previous prime is 31422020323. The next prime is 31422020351. The reversal of 31422020334 is 43302022413.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114169 + ... + 275460.

It is an arithmetic number, because the mean of its divisors is an integer number (3928054845).

Almost surely, 231422020334 is an apocalyptic number.

31422020334 is an abundant number, since it is smaller than the sum of its proper divisors (31426857186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31422020334 is a wasteful number, since it uses less digits than its factorization.

31422020334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403075.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 31422020334 its reverse (43302022413), we get a palindrome (74724042747).

The spelling of 31422020334 in words is "thirty-one billion, four hundred twenty-two million, twenty thousand, three hundred thirty-four".

Divisors: 1 2 3 6 13441 26882 40323 80646 389629 779258 1168887 2337774 5237003389 10474006778 15711010167 31422020334