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30323122211 = 47645172813
BaseRepresentation
bin11100001111011001…
…100010000000100011
32220021021022012201102
4130033121202000203
5444100204402321
621532533425015
72122302200054
oct341731420043
986237265642
1030323122211
1111950680588
125a6319b16b
132b232ca485
14167931a72b
15bc71a3c0b
hex70f662023

30323122211 has 4 divisors (see below), whose sum is σ = 30968295072. Its totient is φ = 29677949352.

The previous prime is 30323122189. The next prime is 30323122253. The reversal of 30323122211 is 11222132303.

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 30323122211 - 26 = 30323122147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30323124211) 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, 322586360 + ... + 322586453.

It is an arithmetic number, because the mean of its divisors is an integer number (7742073768).

Almost surely, 230323122211 is an apocalyptic number.

30323122211 is a deficient number, since it is larger than the sum of its proper divisors (645172861).

30323122211 is an equidigital number, since it uses as much as digits as its factorization.

30323122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645172860.

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

Adding to 30323122211 its reverse (11222132303), we get a palindrome (41545254514).

The spelling of 30323122211 in words is "thirty billion, three hundred twenty-three million, one hundred twenty-two thousand, two hundred eleven".

Divisors: 1 47 645172813 30323122211