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1631110113 = 322317944021
BaseRepresentation
bin110000100111000…
…1100001111100001
311012200012222102200
41201032030033201
511320031010423
6425504203413
755264131033
oct14116141741
94180188380
101631110113
117677a0196
12396309569
131ccc09119
141168b1c53
15982e6d43
hex6138c3e1

1631110113 has 24 divisors (see below), whose sum is σ = 2472275520. Its totient is φ = 1034293920.

The previous prime is 1631110111. The next prime is 1631110123. The reversal of 1631110113 is 3110111361.

It is not a de Polignac number, because 1631110113 - 21 = 1631110111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1631110111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15043 + ... + 59063.

It is an arithmetic number, because the mean of its divisors is an integer number (103011480).

Almost surely, 21631110113 is an apocalyptic number.

It is an amenable number.

1631110113 is a deficient number, since it is larger than the sum of its proper divisors (841165407).

1631110113 is a wasteful number, since it uses less digits than its factorization.

1631110113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44229 (or 44226 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

The square root of 1631110113 is about 40387.0042587959. The cubic root of 1631110113 is about 1177.1390311722.

Adding to 1631110113 its reverse (3110111361), we get a palindrome (4741221474).

The spelling of 1631110113 in words is "one billion, six hundred thirty-one million, one hundred ten thousand, one hundred thirteen".

Divisors: 1 3 9 23 69 179 207 537 1611 4117 12351 37053 44021 132063 396189 1012483 3037449 7879759 9112347 23639277 70917831 181234457 543703371 1631110113