Base | Representation |
---|---|
bin | 11101001010001111… |
… | …101111100100001100 |
3 | 2222211002001201202112 |
4 | 131022033233210030 |
5 | 1003110431141134 |
6 | 22214522443152 |
7 | 2155621053062 |
oct | 351217574414 |
9 | 88732051675 |
10 | 31310412044 |
11 | 12307a02a9a |
12 | 60999634b8 |
13 | 2c4ca07342 |
14 | 17304ba032 |
15 | c33bc41ce |
hex | 74a3ef90c |
31310412044 has 6 divisors (see below), whose sum is σ = 54793221084. Its totient is φ = 15655206020.
The previous prime is 31310412043. The next prime is 31310412071. The reversal of 31310412044 is 44021401313.
It is not an unprimeable number, because it can be changed into a prime (31310412043) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3913801502 + ... + 3913801509.
It is an arithmetic number, because the mean of its divisors is an integer number (9132203514).
Almost surely, 231310412044 is an apocalyptic number.
It is an amenable number.
31310412044 is a deficient number, since it is larger than the sum of its proper divisors (23482809040).
31310412044 is a wasteful number, since it uses less digits than its factorization.
31310412044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7827603015 (or 7827603013 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 23.
Adding to 31310412044 its reverse (44021401313), we get a palindrome (75331813357).
The spelling of 31310412044 in words is "thirty-one billion, three hundred ten million, four hundred twelve thousand, forty-four".
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