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31300010133 = 3721455714627
BaseRepresentation
bin11101001001101000…
…000100000010010101
32222210100111021000120
4131021220010002111
51003100300311013
622213511502153
72155433460600
oct351150040225
988710437016
1031300010133
1112302048977
126096387959
132c4a804872
14172cd6d337
15c32d1c123
hex749a04095

31300010133 has 24 divisors (see below), whose sum is σ = 48553608672. Its totient is φ = 17883268704.

The previous prime is 31300010111. The next prime is 31300010179. The reversal of 31300010133 is 33101000313.

It is not a de Polignac number, because 31300010133 - 25 = 31300010101 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31300014133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2132566 + ... + 2147192.

It is an arithmetic number, because the mean of its divisors is an integer number (2023067028).

Almost surely, 231300010133 is an apocalyptic number.

It is an amenable number.

31300010133 is a deficient number, since it is larger than the sum of its proper divisors (17253598539).

31300010133 is a wasteful number, since it uses less digits than its factorization.

31300010133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29201 (or 29194 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 15.

Adding to 31300010133 its reverse (33101000313), we get a palindrome (64401010446).

The spelling of 31300010133 in words is "thirty-one billion, three hundred million, ten thousand, one hundred thirty-three".

Divisors: 1 3 7 21 49 147 14557 14627 43671 43881 101899 102389 305697 307167 713293 716723 2139879 2150169 212925239 638775717 1490476673 4471430019 10433336711 31300010133