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31232032234 = 2137316455233
BaseRepresentation
bin11101000101100100…
…101111110111101010
32222121121120121212121
4131011210233313222
51002430400012414
622203042501454
72153646615364
oct350544576752
988547517777
1031232032234
1112277739097
12607766488a
132c396c3560
141723d15d34
15c2bd90724
hex74592fdea

31232032234 has 16 divisors (see below), whose sum is σ = 51142867272. Its totient is φ = 14217320448.

The previous prime is 31232032229. The next prime is 31232032243. The reversal of 31232032234 is 43223023213.

It can be written as a sum of positive squares in 4 ways, for example, as 12905641609 + 18326390625 = 113603^2 + 135375^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31232032199 and 31232032208.

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, 8225719 + ... + 8229514.

Almost surely, 231232032234 is an apocalyptic number.

31232032234 is a deficient number, since it is larger than the sum of its proper divisors (19910835038).

31232032234 is a wasteful number, since it uses less digits than its factorization.

31232032234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16455321.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 31232032234 its reverse (43223023213), we get a palindrome (74455055447).

The spelling of 31232032234 in words is "thirty-one billion, two hundred thirty-two million, thirty-two thousand, two hundred thirty-four".

Divisors: 1 2 13 26 73 146 949 1898 16455233 32910466 213918029 427836058 1201232009 2402464018 15616016117 31232032234