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30222211031 = 4313119327799
BaseRepresentation
bin11100001001011000…
…100101011111010111
32220000020102101121022
4130021120211133113
5443343341223111
621514530511355
72116635361265
oct341130453727
986006371538
1030222211031
11118a9717511
125a3543555b
132b0842800c
141669b6d435
15bbd3be2db
hex7096257d7

30222211031 has 16 divisors (see below), whose sum is σ = 31323705600. Its totient is φ = 29141199360.

The previous prime is 30222211027. The next prime is 30222211039. The reversal of 30222211031 is 13011222203.

It is a cyclic number.

It is not a de Polignac number, because 30222211031 - 22 = 30222211027 is a prime.

It is a super-2 number, since 2×302222110312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30222211039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1073270 + ... + 1101068.

It is an arithmetic number, because the mean of its divisors is an integer number (1957731600).

Almost surely, 230222211031 is an apocalyptic number.

30222211031 is a deficient number, since it is larger than the sum of its proper divisors (1101494569).

30222211031 is a wasteful number, since it uses less digits than its factorization.

30222211031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28166.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 30222211031 its reverse (13011222203), we get a palindrome (43233433234).

The spelling of 30222211031 in words is "thirty billion, two hundred twenty-two million, two hundred eleven thousand, thirty-one".

Divisors: 1 43 131 193 5633 8299 25283 27799 1087169 1195357 3641669 5365207 156591767 230703901 702842117 30222211031