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31204053422 = 279347601947
BaseRepresentation
bin11101000011111010…
…000001000110101110
32222112122221011011022
4131003322001012232
51002401214202142
622200203054142
72153160035453
oct350372010656
988478834138
1031204053422
1112262969203
12606a211352
132c33978549
14172031182a
15c296b56d2
hex743e811ae

31204053422 has 32 divisors (see below), whose sum is σ = 47664529920. Its totient is φ = 15318388800.

The previous prime is 31204053383. The next prime is 31204053437. The reversal of 31204053422 is 22435040213.

It is a junction number, because it is equal to n+sod(n) for n = 31204053391 and 31204053400.

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 15 ways as a sum of consecutive naturals, for example, 32949953 + ... + 32950899.

It is an arithmetic number, because the mean of its divisors is an integer number (1489516560).

Almost surely, 231204053422 is an apocalyptic number.

31204053422 is a deficient number, since it is larger than the sum of its proper divisors (16460476498).

31204053422 is a wasteful number, since it uses less digits than its factorization.

31204053422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 31204053422 its reverse (22435040213), we get a palindrome (53639093635).

The spelling of 31204053422 in words is "thirty-one billion, two hundred four million, fifty-three thousand, four hundred twenty-two".

Divisors: 1 2 79 158 347 601 694 947 1202 1894 27413 47479 54826 74813 94958 149626 208547 328609 417094 569147 657218 1138294 16475213 25960111 32950426 44962613 51920222 89925226 197494009 394988018 15602026711 31204053422