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20131111301 = 73098392821
BaseRepresentation
bin10010101111111010…
…000110000110000101
31220221222020102010212
4102233322012012011
5312212031030201
613125331325205
71311603423410
oct225772060605
956858212125
1020131111301
1185a053a974
123a99a50805
131b8a8c21a2
14d8d894b77
157cc518abb
hex4afe86185

20131111301 has 8 divisors (see below), whose sum is σ = 23007974784. Its totient is φ = 17254495440.

The previous prime is 20131111243. The next prime is 20131111313. The reversal of 20131111301 is 10311113102.

It is a happy number.

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

It is not a de Polignac number, because 20131111301 - 210 = 20131110277 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 (20131111001) 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 7 ways as a sum of consecutive naturals, for example, 170471 + ... + 263291.

It is an arithmetic number, because the mean of its divisors is an integer number (2875996848).

Almost surely, 220131111301 is an apocalyptic number.

It is an amenable number.

20131111301 is a deficient number, since it is larger than the sum of its proper divisors (2876863483).

20131111301 is an equidigital number, since it uses as much as digits as its factorization.

20131111301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123811.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 20131111301 its reverse (10311113102), we get a palindrome (30442224403).

The spelling of 20131111301 in words is "twenty billion, one hundred thirty-one million, one hundred eleven thousand, three hundred one".

Divisors: 1 7 30983 92821 216881 649747 2875873043 20131111301