Base | Representation |
---|---|
bin | 1110000111000110000101… |
… | …10100100111101001101111 |
3 | 11001212110010212202112120101 |
4 | 13003203002310213221233 |
5 | 13031344132223220421 |
6 | 145555011541131531 |
7 | 6351565052551042 |
oct | 703430264475157 |
9 | 131773125675511 |
10 | 31030112320111 |
11 | 99838844a6813 |
12 | 3591a159b9ba7 |
13 | 1441186138288 |
14 | 793c18b18c59 |
15 | 38c26ee54191 |
hex | 1c38c2d27a6f |
31030112320111 has 8 divisors (see below), whose sum is σ = 31134153989520. Its totient is φ = 30926154661248.
The previous prime is 31030112320091. The next prime is 31030112320117. The reversal of 31030112320111 is 11102321103013.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-31030112320111 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 (31030112320117) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20262636 + ... + 21740161.
It is an arithmetic number, because the mean of its divisors is an integer number (3891769248690).
Almost surely, 231030112320111 is an apocalyptic number.
31030112320111 is a deficient number, since it is larger than the sum of its proper divisors (104041669409).
31030112320111 is a wasteful number, since it uses less digits than its factorization.
31030112320111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42005273.
The product of its (nonzero) digits is 108, while the sum is 19.
Adding to 31030112320111 its reverse (11102321103013), we get a palindrome (42132433423124).
The spelling of 31030112320111 in words is "thirty-one trillion, thirty billion, one hundred twelve million, three hundred twenty thousand, one hundred eleven".
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