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313103311311 = 3737939339529
BaseRepresentation
bin1001000111001100110…
…10010110000111001111
31002221011201010012200110
410203212122112013033
520112213421430221
6355500534331103
731422664143210
oct4434632260717
91087151105613
10313103311311
11110871724aaa
12508217b9a93
13236aa73335b
14112234c1407
158227c1b776
hex48e66961cf

313103311311 has 16 divisors (see below), whose sum is σ = 478368684800. Its totient is φ = 178444099008.

The previous prime is 313103311267. The next prime is 313103311319. The reversal of 313103311311 is 113113301313.

It is not a de Polignac number, because 313103311311 - 210 = 313103310287 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313103311319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19661806 + ... + 19677723.

It is an arithmetic number, because the mean of its divisors is an integer number (29898042800).

Almost surely, 2313103311311 is an apocalyptic number.

313103311311 is a deficient number, since it is larger than the sum of its proper divisors (165265373489).

313103311311 is a wasteful number, since it uses less digits than its factorization.

313103311311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39339918.

The product of its (nonzero) digits is 243, while the sum is 21.

Adding to 313103311311 its reverse (113113301313), we get a palindrome (426216612624).

The spelling of 313103311311 in words is "three hundred thirteen billion, one hundred three million, three hundred eleven thousand, three hundred eleven".

Divisors: 1 3 7 21 379 1137 2653 7959 39339529 118018587 275376703 826130109 14909681491 44729044473 104367770437 313103311311