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31434041382 = 2337791792339
BaseRepresentation
bin11101010001100111…
…010110100000100110
310000010200200202022220
4131101213112200212
51003334103311012
622235100333210
72161651641342
oct352147264046
9100120622286
1031434041382
11123707735a7
126113244206
132c6c5021b3
141742a9c622
15c3e99508c
hex7519d6826

31434041382 has 32 divisors (see below), whose sum is σ = 65384563200. Its totient is φ = 10065770208.

The previous prime is 31434041381. The next prime is 31434041459. The reversal of 31434041382 is 28314043413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31434041381) 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, 878632 + ... + 913707.

It is an arithmetic number, because the mean of its divisors is an integer number (2043267600).

Almost surely, 231434041382 is an apocalyptic number.

31434041382 is an abundant number, since it is smaller than the sum of its proper divisors (33950521818).

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

31434041382 is a wasteful number, since it uses less digits than its factorization.

31434041382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792460.

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 31434041382 its reverse (28314043413), we get a palindrome (59748084795).

The spelling of 31434041382 in words is "thirty-one billion, four hundred thirty-four million, forty-one thousand, three hundred eighty-two".

Divisors: 1 2 3 6 37 74 79 111 158 222 237 474 2923 5846 8769 17538 1792339 3584678 5377017 10754034 66316543 132633086 141594781 198949629 283189562 397899258 424784343 849568686 5239006897 10478013794 15717020691 31434041382