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1311423101013 = 34148612193371
BaseRepresentation
bin10011000101010110111…
…010000111100001010101
311122101000022221002221110
4103011112322013201111
5132441243303213023
62442243124205233
7163514200302024
oct23052672074125
94571008832843
101311423101013
11466198174043
121921b4b39819
13968888910cc
144768a7148bb
15241a6bdca93
hex13156e87855

1311423101013 has 16 divisors (see below), whose sum is σ = 1791581343552. Its totient is φ = 852782256000.

The previous prime is 1311423100937. The next prime is 1311423101017. The reversal of 1311423101013 is 3101013241131.

It is not a de Polignac number, because 1311423101013 - 29 = 1311423100501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311423101017) 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, 498783 + ... + 1694588.

It is an arithmetic number, because the mean of its divisors is an integer number (111973833972).

Almost surely, 21311423101013 is an apocalyptic number.

It is an amenable number.

1311423101013 is a deficient number, since it is larger than the sum of its proper divisors (480158242539).

1311423101013 is a wasteful number, since it uses less digits than its factorization.

1311423101013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2198276.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1311423101013 its reverse (3101013241131), we get a palindrome (4412436342144).

The spelling of 1311423101013 in words is "one trillion, three hundred eleven billion, four hundred twenty-three million, one hundred one thousand, thirteen".

Divisors: 1 3 41 123 4861 14583 199301 597903 2193371 6580113 89928211 269784633 10661976431 31985929293 437141033671 1311423101013