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31300210232 = 2311321345599
BaseRepresentation
bin11101001001101000…
…110100111000111000
32222210100212102111122
4131021220310320320
51003100323211412
622213520044412
72155435253144
oct351150647070
988710772448
1031300210232
1112302175245
126096463708
132c4a874975
14172cdc2224
15c32d5b572
hex749a34e38

31300210232 has 16 divisors (see below), whose sum is σ = 58693248000. Its totient is φ = 15648677440.

The previous prime is 31300210223. The next prime is 31300210237. The reversal of 31300210232 is 23201200313.

It is a self number, because there is not a number n which added to its sum of digits gives 31300210232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31300210237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82232 + ... + 263367.

It is an arithmetic number, because the mean of its divisors is an integer number (3668328000).

Almost surely, 231300210232 is an apocalyptic number.

It is an amenable number.

31300210232 is a deficient number, since it is larger than the sum of its proper divisors (27393037768).

31300210232 is a wasteful number, since it uses less digits than its factorization.

31300210232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356926 (or 356922 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 31300210232 its reverse (23201200313), we get a palindrome (54501410545).

The spelling of 31300210232 in words is "thirty-one billion, three hundred million, two hundred ten thousand, two hundred thirty-two".

Divisors: 1 2 4 8 11321 22642 45284 90568 345599 691198 1382396 2764792 3912526279 7825052558 15650105116 31300210232