Base | Representation |
---|---|
bin | 111101000011011001… |
… | …0001011011110011111 |
3 | 110112102022012100100221 |
4 | 1322012302023132133 |
5 | 4122003220220111 |
6 | 140121541102211 |
7 | 12321015221665 |
oct | 1720662133637 |
9 | 415368170327 |
10 | 131110320031 |
11 | 506703a2a99 |
12 | 214b06b7967 |
13 | c495c29932 |
14 | 64bab32c35 |
15 | 3625587371 |
hex | 1e86c8b79f |
131110320031 has 8 divisors (see below), whose sum is σ = 140508357984. Its totient is φ = 122020414560.
The previous prime is 131110319999. The next prime is 131110320037. The reversal of 131110320031 is 130023011131.
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 131110320031 - 25 = 131110319999 is a prime.
It is a super-2 number, since 2×1311103200312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 131110319987 and 131110320014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131110320037) 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, 77032240 + ... + 77033941.
It is an arithmetic number, because the mean of its divisors is an integer number (17563544748).
Almost surely, 2131110320031 is an apocalyptic number.
131110320031 is a deficient number, since it is larger than the sum of its proper divisors (9398037953).
131110320031 is a wasteful number, since it uses less digits than its factorization.
131110320031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 154066241.
The product of its (nonzero) digits is 54, while the sum is 16.
Adding to 131110320031 its reverse (130023011131), we get a palindrome (261133331162).
The spelling of 131110320031 in words is "one hundred thirty-one billion, one hundred ten million, three hundred twenty thousand, thirty-one".
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