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313040111042021 = 112411146411030031
BaseRepresentation
bin100011100101101010101010…
…0100111100111110111100101
31112001101100020120110011122112
41013023111110213213313211
5312012322121411321041
63025440350335410405
7122636254526464106
oct10713252447476745
91461340216404575
10313040111042021
1190820624820820
122b13932b983a05
131058972c15120c
145743317a923ad
15262cd59613deb
hex11cb5549e7de5

313040111042021 has 16 divisors (see below), whose sum is σ = 342918632491776. Its totient is φ = 283398334080000.

The previous prime is 313040111042003. The next prime is 313040111042041. The reversal of 313040111042021 is 120240111040313.

It is a cyclic number.

It is not a de Polignac number, because 313040111042021 - 214 = 313040111025637 is a prime.

It is a super-2 number, since 2×3130401110420212 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313040111042041) 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, 303398276 + ... + 304428306.

It is an arithmetic number, because the mean of its divisors is an integer number (21432414530736).

Almost surely, 2313040111042021 is an apocalyptic number.

It is an amenable number.

313040111042021 is a deficient number, since it is larger than the sum of its proper divisors (29878521449755).

313040111042021 is a wasteful number, since it uses less digits than its factorization.

313040111042021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144924.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 313040111042021 its reverse (120240111040313), we get a palindrome (433280222082334).

The spelling of 313040111042021 in words is "three hundred thirteen trillion, forty billion, one hundred eleven million, forty-two thousand, twenty-one".

Divisors: 1 11 241 2651 114641 1030031 1261051 11330341 27628481 248237471 303913291 2730612181 118083783871 1298921622581 28458191912911 313040111042021