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131310123022111 = 1111937283911101
BaseRepresentation
bin11101110110110100000101…
…001111001111011100011111
3122012221010101020121112201211
4131312310011033033130133
5114202341112443201421
61143135012053045251
736441562154514145
oct3566640517173437
9565833336545654
10131310123022111
113892634621a7a0
1212888946626827
1358366509b1427
14245d62dd71595
15102aa2707c9e1
hex776d053cf71f

131310123022111 has 4 divisors (see below), whose sum is σ = 143247406933224. Its totient is φ = 119372839111000.

The previous prime is 131310123022109. The next prime is 131310123022157. The reversal of 131310123022111 is 111220321013131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131310123022111 - 21 = 131310123022109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131310123022181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5968641955540 + ... + 5968641955561.

It is an arithmetic number, because the mean of its divisors is an integer number (35811851733306).

Almost surely, 2131310123022111 is an apocalyptic number.

131310123022111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

131310123022111 is a deficient number, since it is larger than the sum of its proper divisors (11937283911113).

131310123022111 is a wasteful number, since it uses less digits than its factorization.

131310123022111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11937283911112.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 131310123022111 its reverse (111220321013131), we get a palindrome (242530444035242).

The spelling of 131310123022111 in words is "one hundred thirty-one trillion, three hundred ten billion, one hundred twenty-three million, twenty-two thousand, one hundred eleven".

Divisors: 1 11 11937283911101 131310123022111