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23131130222 = 223502850657
BaseRepresentation
bin10101100010101110…
…010000100101101110
32012201001022011102202
4111202232100211232
5334333032131342
614343140221502
71446132235304
oct254256204556
965631264382
1023131130222
11989aa13552
12459669a892
1322482b2205
1411960a4274
15905ab3332
hex562b9096e

23131130222 has 8 divisors (see below), whose sum is σ = 36205247376. Its totient is φ = 11062714432.

The previous prime is 23131130219. The next prime is 23131130227. The reversal of 23131130222 is 22203113132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 23131130194 and 23131130203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23131130227) 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 3 ways as a sum of consecutive naturals, for example, 251425283 + ... + 251425374.

It is an arithmetic number, because the mean of its divisors is an integer number (4525655922).

Almost surely, 223131130222 is an apocalyptic number.

23131130222 is a deficient number, since it is larger than the sum of its proper divisors (13074117154).

23131130222 is a wasteful number, since it uses less digits than its factorization.

23131130222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502850682.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 23131130222 its reverse (22203113132), we get a palindrome (45334243354).

The spelling of 23131130222 in words is "twenty-three billion, one hundred thirty-one million, one hundred thirty thousand, two hundred twenty-two".

Divisors: 1 2 23 46 502850657 1005701314 11565565111 23131130222