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31300241101 = 1715711727329
BaseRepresentation
bin11101001001101000…
…111100011011001101
32222210100220222211221
4131021220330123031
51003100330203401
622213520443341
72155435442143
oct351150743315
988710828757
1031300241101
1112302196458
126096479551
132c4a885a2c
14172cdcd593
15c32d657a1
hex749a3c6cd

31300241101 has 8 divisors (see below), whose sum is σ = 33352526520. Its totient is φ = 29271410688.

The previous prime is 31300241087. The next prime is 31300241117. The reversal of 31300241101 is 10114200313.

It can be written as a sum of positive squares in 4 ways, for example, as 54375876 + 31245865225 = 7374^2 + 176765^2 .

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 31300241101 - 217 = 31300110029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31300241191) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5860996 + ... + 5866333.

It is an arithmetic number, because the mean of its divisors is an integer number (4169065815).

Almost surely, 231300241101 is an apocalyptic number.

It is an amenable number.

31300241101 is a deficient number, since it is larger than the sum of its proper divisors (2052285419).

31300241101 is a wasteful number, since it uses less digits than its factorization.

31300241101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11727503.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 31300241101 its reverse (10114200313), we get a palindrome (41414441414).

The spelling of 31300241101 in words is "thirty-one billion, three hundred million, two hundred forty-one thousand, one hundred one".

Divisors: 1 17 157 2669 11727329 199364593 1841190653 31300241101