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31232322023 = 72637394327
BaseRepresentation
bin11101000101100101…
…110110100111100111
32222121122010100101112
4131011211312213213
51002430433301043
622203053015235
72153652233300
oct350545664747
988548110345
1031232322023
1112277916891
12607778451b
132c39795426
141723d8d7a7
15c2bdeb518
hex7459769e7

31232322023 has 6 divisors (see below), whose sum is σ = 36331476696. Its totient is φ = 26770561692.

The previous prime is 31232322013. The next prime is 31232322041. The reversal of 31232322023 is 32022323213.

It is not a de Polignac number, because 31232322023 - 28 = 31232321767 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31232322023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31232322013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 318697115 + ... + 318697212.

It is an arithmetic number, because the mean of its divisors is an integer number (6055246116).

Almost surely, 231232322023 is an apocalyptic number.

31232322023 is a deficient number, since it is larger than the sum of its proper divisors (5099154673).

31232322023 is an equidigital number, since it uses as much as digits as its factorization.

31232322023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637394341 (or 637394334 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 31232322023 its reverse (32022323213), we get a palindrome (63254645236).

The spelling of 31232322023 in words is "thirty-one billion, two hundred thirty-two million, three hundred twenty-two thousand, twenty-three".

Divisors: 1 7 49 637394327 4461760289 31232322023