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311420053135 = 51727671324093
BaseRepresentation
bin1001000100000100001…
…01001110011010001111
31002202211101202211120001
410202002011032122033
520100242013200020
6355021524305131
731333164530032
oct4420205163217
91082741684501
10311420053135
11110088557244
1250431b421a7
132349ca991b9
1411103b17019
15817a07350a
hex488214e68f

311420053135 has 16 divisors (see below), whose sum is σ = 395829956736. Its totient is φ = 234396062208.

The previous prime is 311420053117. The next prime is 311420053151. The reversal of 311420053135 is 531350024113.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 311420053135 - 25 = 311420053103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 426852 + ... + 897241.

It is an arithmetic number, because the mean of its divisors is an integer number (24739372296).

Almost surely, 2311420053135 is an apocalyptic number.

311420053135 is a deficient number, since it is larger than the sum of its proper divisors (84409903601).

311420053135 is a wasteful number, since it uses less digits than its factorization.

311420053135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326882.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 311420053135 its reverse (531350024113), we get a palindrome (842770077248).

The spelling of 311420053135 in words is "three hundred eleven billion, four hundred twenty million, fifty-three thousand, one hundred thirty-five".

Divisors: 1 5 17 85 2767 13835 47039 235195 1324093 6620465 22509581 112547905 3663765331 18318826655 62284010627 311420053135