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222130031021023 = 947323448752351
BaseRepresentation
bin110010100000011010101101…
…100101111100101111011111
31002010111102102210020200122211
4302200122231211330233133
5213103334300420133043
62104233043312421251
764534236146312236
oct6240325545745737
91063442383220584
10222130031021023
11648608a9658904
1220ab6355b47827
1396c3a06250428
143cbd217d93b1d
151aa31a2842a9d
hexca06ad97cbdf

222130031021023 has 4 divisors (see below), whose sum is σ = 222153479782848. Its totient is φ = 222106582259200.

The previous prime is 222130031020979. The next prime is 222130031021033. The reversal of 222130031021023 is 320120130031222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222130031021023 - 221 = 222130028923871 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222130031020985 and 222130031021003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222130031021033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11724366703 + ... + 11724385648.

It is an arithmetic number, because the mean of its divisors is an integer number (55538369945712).

Almost surely, 2222130031021023 is an apocalyptic number.

222130031021023 is a deficient number, since it is larger than the sum of its proper divisors (23448761825).

222130031021023 is an equidigital number, since it uses as much as digits as its factorization.

222130031021023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23448761824.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 222130031021023 its reverse (320120130031222), we get a palindrome (542250161052245).

The spelling of 222130031021023 in words is "two hundred twenty-two trillion, one hundred thirty billion, thirty-one million, twenty-one thousand, twenty-three".

Divisors: 1 9473 23448752351 222130031021023