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30311222302 = 221171827541
BaseRepresentation
bin11100001110101100…
…001000110000011110
32220020102220122010001
4130032230020300132
5444034133103202
621531430404514
72122066065334
oct341654106036
986212818101
1030311222302
1111944992a49
125a5b20073a
132b209c1bca
1416778ddb54
15bc6102d87
hex70eb08c1e

30311222302 has 8 divisors (see below), whose sum is σ = 45682316712. Its totient is φ = 15083783400.

The previous prime is 30311222299. The next prime is 30311222317. The reversal of 30311222302 is 20322211303.

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

It is a self number, because there is not a number n which added to its sum of digits gives 30311222302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35913349 + ... + 35914192.

It is an arithmetic number, because the mean of its divisors is an integer number (5710289589).

Almost surely, 230311222302 is an apocalyptic number.

30311222302 is a deficient number, since it is larger than the sum of its proper divisors (15371094410).

30311222302 is a wasteful number, since it uses less digits than its factorization.

30311222302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71827754.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 30311222302 its reverse (20322211303), we get a palindrome (50633433605).

The spelling of 30311222302 in words is "thirty billion, three hundred eleven million, two hundred twenty-two thousand, three hundred two".

Divisors: 1 2 211 422 71827541 143655082 15155611151 30311222302