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1312301230111 = 5011261884101
BaseRepresentation
bin10011000110001011001…
…111111010100000011111
311122110021112021200121101
4103012023033322200133
5133000043103330421
62442510213413531
7163545022260124
oct23061317724037
94573245250541
101312301230111
114665a8918473
121923bb03a2a7
139699879a921
14477311ba74b
1524208d49191
hex1318b3fa81f

1312301230111 has 4 divisors (see below), whose sum is σ = 1312563119224. Its totient is φ = 1312039341000.

The previous prime is 1312301230109. The next prime is 1312301230147. The reversal of 1312301230111 is 1110321032131.

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 1312301230111 - 21 = 1312301230109 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 (1312301260111) 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, 130937040 + ... + 130947061.

It is an arithmetic number, because the mean of its divisors is an integer number (328140779806).

Almost surely, 21312301230111 is an apocalyptic number.

1312301230111 is a deficient number, since it is larger than the sum of its proper divisors (261889113).

1312301230111 is an equidigital number, since it uses as much as digits as its factorization.

1312301230111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261889112.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1312301230111 its reverse (1110321032131), we get a palindrome (2422622262242).

The spelling of 1312301230111 in words is "one trillion, three hundred twelve billion, three hundred one million, two hundred thirty thousand, one hundred eleven".

Divisors: 1 5011 261884101 1312301230111