Base | Representation |
---|---|
bin | 1110001111110111000110… |
… | …01000011101011111100101 |
3 | 11002221020120022110210121220 |
4 | 13013323203020131133211 |
5 | 13101313001314244023 |
6 | 150345222415330553 |
7 | 6412416605506263 |
oct | 707734310353745 |
9 | 132836508423556 |
10 | 31331302103013 |
11 | 9a8a592260570 |
12 | 3620271820a59 |
13 | 14636b55c1a23 |
14 | 7a462bc8b433 |
15 | 394eebcd13e3 |
hex | 1c7ee321d7e5 |
31331302103013 has 8 divisors (see below), whose sum is σ = 45572803058976. Its totient is φ = 18988667941200.
The previous prime is 31331302102999. The next prime is 31331302103027. The reversal of 31331302103013 is 31030120313313.
It is an interprime number because it is at equal distance from previous prime (31331302102999) and next prime (31331302103027).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31331302103013 - 26 = 31331302102949 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31331302143013) 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, 474716698498 + ... + 474716698563.
It is an arithmetic number, because the mean of its divisors is an integer number (5696600382372).
Almost surely, 231331302103013 is an apocalyptic number.
31331302103013 is a gapful number since it is divisible by the number (33) formed by its first and last digit.
It is an amenable number.
31331302103013 is a deficient number, since it is larger than the sum of its proper divisors (14241500955963).
31331302103013 is a wasteful number, since it uses less digits than its factorization.
31331302103013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 949433397075.
The product of its (nonzero) digits is 1458, while the sum is 24.
Adding to 31331302103013 its reverse (31030120313313), we get a palindrome (62361422416326).
The spelling of 31331302103013 in words is "thirty-one trillion, three hundred thirty-one billion, three hundred two million, one hundred three thousand, thirteen".
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