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31222411434 = 2321734578413
BaseRepresentation
bin11101000101000000…
…000011000010101010
32222120221110211121200
4131011000003002222
51002420414131214
622202100345030
72153502055404
oct350500030252
988527424550
1031222411434
1112272267915
1260743a5176
132c37705486
14172292db74
15c2b0ded09
hex7450030aa

31222411434 has 12 divisors (see below), whose sum is σ = 67648558146. Its totient is φ = 10407470472.

The previous prime is 31222411399. The next prime is 31222411541. The reversal of 31222411434 is 43411422213.

31222411434 is a `hidden beast` number, since 3 + 1 + 2 + 224 + 1 + 1 + 434 = 666.

It can be written as a sum of positive squares in only one way, i.e., 29396131209 + 1826280225 = 171453^2 + 42735^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31222411398 and 31222411407.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 867289189 + ... + 867289224.

Almost surely, 231222411434 is an apocalyptic number.

31222411434 is an abundant number, since it is smaller than the sum of its proper divisors (36426146712).

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

31222411434 is a wasteful number, since it uses less digits than its factorization.

31222411434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734578421 (or 1734578418 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 31222411434 its reverse (43411422213), we get a palindrome (74633833647).

The spelling of 31222411434 in words is "thirty-one billion, two hundred twenty-two million, four hundred eleven thousand, four hundred thirty-four".

Divisors: 1 2 3 6 9 18 1734578413 3469156826 5203735239 10407470478 15611205717 31222411434