Base | Representation |
---|---|
bin | 1110001111000010100100… |
… | …01111000011011001011000 |
3 | 11002211112202221202011002120 |
4 | 13013201102033003121120 |
5 | 13100332222420043112 |
6 | 150324240215101240 |
7 | 6410401014061206 |
oct | 707412217033130 |
9 | 132745687664076 |
10 | 31303101331032 |
11 | 9a796306a4143 |
12 | 3616901371820 |
13 | 1460b3cc094bb |
14 | 7a3114798076 |
15 | 3943eb10be8c |
hex | 1c78523c3658 |
31303101331032 has 64 divisors (see below), whose sum is σ = 79082157984480. Its totient is φ = 10324494446592.
The previous prime is 31303101330997. The next prime is 31303101331039. The reversal of 31303101331032 is 23013310130313.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a junction number, because it is equal to n+sod(n) for n = 31303101330993 and 31303101331011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31303101331039) 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, 8963338 + ... + 11956070.
Almost surely, 231303101331032 is an apocalyptic number.
It is an amenable number.
31303101331032 is an abundant number, since it is smaller than the sum of its proper divisors (47779056653448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31303101331032 is a wasteful number, since it uses less digits than its factorization.
31303101331032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2997332 (or 2997328 counting only the distinct ones).
The product of its (nonzero) digits is 1458, while the sum is 24.
Adding to 31303101331032 its reverse (23013310130313), we get a palindrome (54316411461345).
The spelling of 31303101331032 in words is "thirty-one trillion, three hundred three billion, one hundred one million, three hundred thirty-one thousand, thirty-two".
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