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31200330102 = 235200055017
BaseRepresentation
bin11101000011101011…
…110100000101110110
32222112101220222201120
4131003223310011312
51002344241030402
622155551204410
72153113300344
oct350353640566
988471828646
1031200330102
1112260855887
126068b16706
132c32c738b6
14171da22994
15c291cc3bc
hex743af4176

31200330102 has 8 divisors (see below), whose sum is σ = 62400660216. Its totient is φ = 10400110032.

The previous prime is 31200330097. The next prime is 31200330127. The reversal of 31200330102 is 20103300213.

It is a sphenic number, since it is the product of 3 distinct primes.

31200330102 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2600027503 + ... + 2600027514.

It is an arithmetic number, because the mean of its divisors is an integer number (7800082527).

Almost surely, 231200330102 is an apocalyptic number.

31200330102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

31200330102 is a wasteful number, since it uses less digits than its factorization.

31200330102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5200055022.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 31200330102 its reverse (20103300213), we get a palindrome (51303630315).

The spelling of 31200330102 in words is "thirty-one billion, two hundred million, three hundred thirty thousand, one hundred two".

Divisors: 1 2 3 6 5200055017 10400110034 15600165051 31200330102