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222120302131 = 7132440882441
BaseRepresentation
bin1100111011011101100…
…1101101011000110011
3210020022221112110110201
43032313121231120303
512114400244132011
6250012440540031
722022230262530
oct3166731553063
9706287473421
10222120302131
1186223135632
123706b781617
1317c3b072750
14aa71c19d87
155ba0417cc1
hex33b766d633

222120302131 has 8 divisors (see below), whose sum is σ = 273378833504. Its totient is φ = 175743535680.

The previous prime is 222120302087. The next prime is 222120302153. The reversal of 222120302131 is 131203021222.

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

It is a cyclic number.

It is not a de Polignac number, because 222120302131 - 29 = 222120301619 is a prime.

It is a super-2 number, since 2×2221203021312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222120302099 and 222120302108.

It is not an unprimeable number, because it can be changed into a prime (222120302191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1220441130 + ... + 1220441311.

It is an arithmetic number, because the mean of its divisors is an integer number (34172354188).

Almost surely, 2222120302131 is an apocalyptic number.

222120302131 is a deficient number, since it is larger than the sum of its proper divisors (51258531373).

222120302131 is a wasteful number, since it uses less digits than its factorization.

222120302131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2440882461.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 222120302131 its reverse (131203021222), we get a palindrome (353323323353).

The spelling of 222120302131 in words is "two hundred twenty-two billion, one hundred twenty million, three hundred two thousand, one hundred thirty-one".

Divisors: 1 7 13 91 2440882441 17086177087 31731471733 222120302131