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31105440322 = 2111974414929
BaseRepresentation
bin11100111110000001…
…110101101001000010
32222021210101002102021
4130332001311221002
51002200443042242
622142321312054
72150551610635
oct347601655102
988253332367
1031105440322
1112212234780
12604119562a
132c193cc0b8
1417111a1c1c
15c20bd6b67
hex73e075a42

31105440322 has 16 divisors (see below), whose sum is σ = 53578749600. Its totient is φ = 13394687040.

The previous prime is 31105440299. The next prime is 31105440337. The reversal of 31105440322 is 22304450113.

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, 37207047 + ... + 37207882.

It is an arithmetic number, because the mean of its divisors is an integer number (3348671850).

Almost surely, 231105440322 is an apocalyptic number.

31105440322 is a deficient number, since it is larger than the sum of its proper divisors (22473309278).

31105440322 is a wasteful number, since it uses less digits than its factorization.

31105440322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74414961.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 31105440322 its reverse (22304450113), we get a palindrome (53409890435).

The spelling of 31105440322 in words is "thirty-one billion, one hundred five million, four hundred forty thousand, three hundred twenty-two".

Divisors: 1 2 11 19 22 38 209 418 74414929 148829858 818564219 1413883651 1637128438 2827767302 15552720161 31105440322