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31200241301 = 43898152663
BaseRepresentation
bin11101000011101011…
…011110011010010101
32222112101202110220122
4131003223132122111
51002344230210201
622155545241325
72153112450425
oct350353363225
988471673818
1031200241301
11122607a5099
126068a93245
132c32c42358
14171d9dc485
15c291b0e1b
hex743ade695

31200241301 has 8 divisors (see below), whose sum is σ = 32284549440. Its totient is φ = 30132238752.

The previous prime is 31200241271. The next prime is 31200241309. The reversal of 31200241301 is 10314200213.

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

It is a cyclic number.

It is not a de Polignac number, because 31200241301 - 210 = 31200240277 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31200241301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31200241309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4072505 + ... + 4080158.

It is an arithmetic number, because the mean of its divisors is an integer number (4035568680).

Almost surely, 231200241301 is an apocalyptic number.

It is an amenable number.

31200241301 is a deficient number, since it is larger than the sum of its proper divisors (1084308139).

31200241301 is an equidigital number, since it uses as much as digits as its factorization.

31200241301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8152795.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 31200241301 its reverse (10314200213), we get a palindrome (41514441514).

The spelling of 31200241301 in words is "thirty-one billion, two hundred million, two hundred forty-one thousand, three hundred one".

Divisors: 1 43 89 3827 8152663 350564509 725587007 31200241301