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30331322112 = 2837134310093
BaseRepresentation
bin11100001111111000…
…110011111100000000
32220021211201210212110
4130033320303330000
5444104304301422
621533425255320
72122431661350
oct341770637400
986254653773
1030331322112
1111955271263
125a65a94540
132b24c0b8a0
14167a452b60
15bc7c7360c
hex70fe33f00

30331322112 has 288 divisors, whose sum is σ = 101675166208. Its totient is φ = 7812661248.

The previous prime is 30331322107. The next prime is 30331322183. The reversal of 30331322112 is 21122313303.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3000138 + ... + 3010230.

Almost surely, 230331322112 is an apocalyptic number.

30331322112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30331322112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50837583104).

30331322112 is an abundant number, since it is smaller than the sum of its proper divisors (71343844096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30331322112 is a wasteful number, since it uses less digits than its factorization.

30331322112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10175 (or 10161 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 30331322112 its reverse (21122313303), we get a palindrome (51453635415).

The spelling of 30331322112 in words is "thirty billion, three hundred thirty-one million, three hundred twenty-two thousand, one hundred twelve".