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313012113112013 = 744716016158859
BaseRepresentation
bin100011100101011101100111…
…1110011111111101111001101
31112001021122222100101221222212
41013022323033303333233031
5312011342301424041023
63025415440222520205
7122634243650141030
oct10712731763775715
91461248870357885
10313012113112013
119080a767708597
122b133a17436065
1310586bb97a9723
145741c1d4c1017
15262c26b65ae78
hex11caecfcffbcd

313012113112013 has 4 divisors (see below), whose sum is σ = 357728129270880. Its totient is φ = 268296096953148.

The previous prime is 313012113111983. The next prime is 313012113112033. The reversal of 313012113112013 is 310211311210313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 313012113112013 - 26 = 313012113111949 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 313012113112013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313012113112033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22358008079423 + ... + 22358008079436.

It is an arithmetic number, because the mean of its divisors is an integer number (89432032317720).

Almost surely, 2313012113112013 is an apocalyptic number.

It is an amenable number.

313012113112013 is a deficient number, since it is larger than the sum of its proper divisors (44716016158867).

313012113112013 is an equidigital number, since it uses as much as digits as its factorization.

313012113112013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44716016158866.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 313012113112013 its reverse (310211311210313), we get a palindrome (623223424322326).

The spelling of 313012113112013 in words is "three hundred thirteen trillion, twelve billion, one hundred thirteen million, one hundred twelve thousand, thirteen".

Divisors: 1 7 44716016158859 313012113112013