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2313124213131 = 3431921196421
BaseRepresentation
bin100001101010010000111…
…100100111000110001011
322012010120121021222120000
4201222100330213012023
5300344234244310011
64530345023334043
7326055242254434
oct41522074470613
98163517258500
102313124213131
11811a99351716
12314370751323
1313a185405464
147dd54a5248b
1540282977356
hex21a90f2718b

2313124213131 has 20 divisors (see below), whose sum is σ = 3566872545984. Its totient is φ = 1492338200400.

The previous prime is 2313124213123. The next prime is 2313124213139. The reversal of 2313124213131 is 1313124213132.

2313124213131 is a `hidden beast` number, since 2 + 3 + 1 + 312 + 4 + 213 + 131 = 666.

It is an interprime number because it is at equal distance from previous prime (2313124213123) and next prime (2313124213139).

It is not a de Polignac number, because 2313124213131 - 23 = 2313124213123 is a prime.

It is a super-2 number, since 2×23131242131312 (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2313124213095 and 2313124213104.

It is not an unprimeable number, because it can be changed into a prime (2313124213139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 460595700 + ... + 460600721.

Almost surely, 22313124213131 is an apocalyptic number.

2313124213131 is a deficient number, since it is larger than the sum of its proper divisors (1253748332853).

2313124213131 is an equidigital number, since it uses as much as digits as its factorization.

2313124213131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921196464 (or 921196455 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

Adding to 2313124213131 its reverse (1313124213132), we get a palindrome (3626248426263).

Subtracting from 2313124213131 its reverse (1313124213132), we obtain a palindrome (999999999999).

The spelling of 2313124213131 in words is "two trillion, three hundred thirteen billion, one hundred twenty-four million, two hundred thirteen thousand, one hundred thirty-one".

Divisors: 1 3 9 27 31 81 93 279 837 2511 921196421 2763589263 8290767789 24872303367 28557089051 74616910101 85671267153 257013801459 771041404377 2313124213131