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20031210313301 = 117923050874929
BaseRepresentation
bin1001000110111111000010…
…01011001101011001010101
32121220222001111011200202102
410203133201023031121111
510111142404320011201
6110334113323251445
74135131031221635
oct443374113153125
977828044150672
1020031210313301
1164232090113a0
1222b6223979b85
13b23c20341645
144d373131c6c5
1524b0ced8626b
hex1237e12cd655

20031210313301 has 8 divisors (see below), whose sum is σ = 22128839932800. Its totient is φ = 17979682443840.

The previous prime is 20031210313291. The next prime is 20031210313321. The reversal of 20031210313301 is 10331301213002.

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 20031210313301 - 26 = 20031210313237 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 (20031210313321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11525436596 + ... + 11525438333.

It is an arithmetic number, because the mean of its divisors is an integer number (2766104991600).

Almost surely, 220031210313301 is an apocalyptic number.

It is an amenable number.

20031210313301 is a deficient number, since it is larger than the sum of its proper divisors (2097629619499).

20031210313301 is a wasteful number, since it uses less digits than its factorization.

20031210313301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23050875019.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 20031210313301 its reverse (10331301213002), we get a palindrome (30362511526303).

The spelling of 20031210313301 in words is "twenty trillion, thirty-one billion, two hundred ten million, three hundred thirteen thousand, three hundred one".

Divisors: 1 11 79 869 23050874929 253559624219 1821019119391 20031210313301