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30022333231 = 1122312239027
BaseRepresentation
bin11011111101011110…
…000111001100101111
32212111022022112210211
4123331132013030233
5442441204130411
621443030443251
72111660423212
oct337536071457
985438275724
1030022333231
1111806908350
12599a503527
132aa5bb4527
14164b3bd779
15baaa8b221
hex6fd78732f

30022333231 has 8 divisors (see below), whose sum is σ = 32898507264. Its totient is φ = 27170637720.

The previous prime is 30022333177. The next prime is 30022333273. The reversal of 30022333231 is 13233322003.

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 30022333231 - 217 = 30022202159 is a prime.

It is a super-2 number, since 2×300223332312 (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 (30022333331) 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, 6117061 + ... + 6121966.

It is an arithmetic number, because the mean of its divisors is an integer number (4112313408).

Almost surely, 230022333231 is an apocalyptic number.

30022333231 is a deficient number, since it is larger than the sum of its proper divisors (2876174033).

30022333231 is a wasteful number, since it uses less digits than its factorization.

30022333231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12239261.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 30022333231 its reverse (13233322003), we get a palindrome (43255655234).

The spelling of 30022333231 in words is "thirty billion, twenty-two million, three hundred thirty-three thousand, two hundred thirty-one".

Divisors: 1 11 223 2453 12239027 134629297 2729303021 30022333231