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30311302021110 = 232511236138815623
BaseRepresentation
bin1101110010001011001100…
…11000111011111111110110
310222022201202202100221112200
412321011212120323333312
512433110021304133420
6144244453033525330
76245630215042455
oct671054630737766
9128281682327480
1030311302021110
119726a50860070
123496649873846
1313bb4609201c6
1476b10953ab9c
153786ee7d4b90
hex1b916663bff6

30311302021110 has 384 divisors, whose sum is σ = 91222270543872. Its totient is φ = 6910472448000.

The previous prime is 30311302021093. The next prime is 30311302021123. The reversal of 30311302021110 is 1112020311303.

30311302021110 is a `hidden beast` number, since 30 + 311 + 302 + 0 + 2 + 11 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 5390589759 + ... + 5390595381.

It is an arithmetic number, because the mean of its divisors is an integer number (237557996208).

Almost surely, 230311302021110 is an apocalyptic number.

30311302021110 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30311302021110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45611135271936).

30311302021110 is an abundant number, since it is smaller than the sum of its proper divisors (60910968522762).

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

30311302021110 is a wasteful number, since it uses less digits than its factorization.

30311302021110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9612 (or 9609 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 30311302021110 its reverse (1112020311303), we get a palindrome (31423322332413).

The spelling of 30311302021110 in words is "thirty trillion, three hundred eleven billion, three hundred two million, twenty-one thousand, one hundred ten".