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30110323131 = 3371947178403
BaseRepresentation
bin11100000010101101…
…110001000110111011
32212201102212220021000
4130002231301012323
5443131220320011
621455452420043
72114106344430
oct340255610673
985642786230
1030110323131
1111851546479
125a03a77623
132abb1b1565
141658d65b87
15bb366c356
hex702b711bb

30110323131 has 64 divisors (see below), whose sum is σ = 54805708800. Its totient is φ = 15953420448.

The previous prime is 30110323121. The next prime is 30110323163. The reversal of 30110323131 is 13132301103.

It is a happy number.

30110323131 is a `hidden beast` number, since 301 + 10 + 323 + 1 + 31 = 666.

It is not a de Polignac number, because 30110323131 - 25 = 30110323099 is a prime.

It is a super-2 number, since 2×301103231312 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30110323121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 79576 + ... + 257978.

It is an arithmetic number, because the mean of its divisors is an integer number (856339200).

Almost surely, 230110323131 is an apocalyptic number.

30110323131 is a deficient number, since it is larger than the sum of its proper divisors (24695385669).

30110323131 is a wasteful number, since it uses less digits than its factorization.

30110323131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178485 (or 178479 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 30110323131 its reverse (13132301103), we get a palindrome (43242624234).

The spelling of 30110323131 in words is "thirty billion, one hundred ten million, three hundred twenty-three thousand, one hundred thirty-one".

Divisors: 1 3 7 9 19 21 27 47 57 63 133 141 171 189 329 399 423 513 893 987 1197 1269 2679 2961 3591 6251 8037 8883 18753 24111 56259 168777 178403 535209 1248821 1605627 3389657 3746463 4816881 8384941 10168971 11239389 23727599 25154823 30506913 33718167 58694587 71182797 75464469 91520739 159313879 176083761 213548391 226393407 477941637 528251283 640645173 1115197153 1433824911 1584753849 3345591459 4301474733 10036774377 30110323131