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231023104014131 = 11135988832697599
BaseRepresentation
bin110100100001110101000010…
…000011001011011100110011
31010021222121000100000202200122
4310201311002003023130303
5220240040304111423011
62135202314314240455
766442603611443612
oct6441650203133463
91107877010022618
10231023104014131
116767a391502050
1221ab19aa12612b
139bba501473730
144109813a5d879
151ba9693ad83db
hexd21d420cb733

231023104014131 has 16 divisors (see below), whose sum is σ = 271412312371200. Its totient is φ = 193865146252320.

The previous prime is 231023104014113. The next prime is 231023104014133. The reversal of 231023104014131 is 131410401320132.

It is a cyclic number.

It is not a de Polignac number, because 231023104014131 - 218 = 231023103751987 is a prime.

It is a super-2 number, since 2×2310231040141312 (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 231023104014131.

It is not an unprimeable number, because it can be changed into a prime (231023104014133) 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, 84291470 + ... + 86989068.

It is an arithmetic number, because the mean of its divisors is an integer number (16963269523200).

Almost surely, 2231023104014131 is an apocalyptic number.

231023104014131 is a deficient number, since it is larger than the sum of its proper divisors (40389208357069).

231023104014131 is a wasteful number, since it uses less digits than its factorization.

231023104014131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3296506.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 231023104014131 its reverse (131410401320132), we get a palindrome (362433505334263).

The spelling of 231023104014131 in words is "two hundred thirty-one trillion, twenty-three billion, one hundred four million, fourteen thousand, one hundred thirty-one".

Divisors: 1 11 13 143 598883 2697599 6587713 7785479 29673589 35068787 85640269 385756657 1615546181917 17771008001087 21002100364921 231023104014131