Base | Representation |
---|---|
bin | 1110010101001010011001… |
… | …10001100011101100010111 |
3 | 11010120122202102112202202001 |
4 | 13022211030301203230113 |
5 | 13112304033024013143 |
6 | 151005030214100131 |
7 | 6431525664514450 |
oct | 712451461435427 |
9 | 133518672482661 |
10 | 31513463110423 |
11 | a04a86a40a588 |
12 | 364b62b04a647 |
13 | 1477925b64788 |
14 | 7ad38ca94127 |
15 | 399b0e0a314d |
hex | 1ca94cc63b17 |
31513463110423 has 8 divisors (see below), whose sum is σ = 36625816690560. Its totient is φ = 26553717099960.
The previous prime is 31513463110417. The next prime is 31513463110427. The reversal of 31513463110423 is 32401136431513.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 31513463110423 - 29 = 31513463109911 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 (31513463110427) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38151891973 + ... + 38151892798.
It is an arithmetic number, because the mean of its divisors is an integer number (4578227086320).
Almost surely, 231513463110423 is an apocalyptic number.
31513463110423 is a deficient number, since it is larger than the sum of its proper divisors (5112353580137).
31513463110423 is an equidigital number, since it uses as much as digits as its factorization.
31513463110423 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76303784837.
The product of its (nonzero) digits is 77760, while the sum is 37.
Adding to 31513463110423 its reverse (32401136431513), we get a palindrome (63914599541936).
The spelling of 31513463110423 in words is "thirty-one trillion, five hundred thirteen billion, four hundred sixty-three million, one hundred ten thousand, four hundred twenty-three".
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