Base | Representation |
---|---|
bin | 11101001011011011… |
… | …101111010110010101 |
3 | 2222212110112212200111 |
4 | 131023123233112111 |
5 | 1003131031142401 |
6 | 22220513443021 |
7 | 2156252305633 |
oct | 351333572625 |
9 | 88773485614 |
10 | 31330334101 |
11 | 1231817a800 |
12 | 60a4570471 |
13 | 2c53b91141 |
14 | 1732dc4353 |
15 | c3580be51 |
hex | 74b6ef595 |
31330334101 has 6 divisors (see below), whose sum is σ = 34437474806. Its totient is φ = 28482121800.
The previous prime is 31330334083. The next prime is 31330334117. The reversal of 31330334101 is 10143303313.
It can be written as a sum of positive squares in only one way, i.e., 31329354001 + 980100 = 177001^2 + 990^2 .
It is not a de Polignac number, because 31330334101 - 29 = 31330333589 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 (31330334201) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 129464070 + ... + 129464311.
Almost surely, 231330334101 is an apocalyptic number.
It is an amenable number.
31330334101 is a deficient number, since it is larger than the sum of its proper divisors (3107140705).
31330334101 is a wasteful number, since it uses less digits than its factorization.
31330334101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 258928403 (or 258928392 counting only the distinct ones).
The product of its (nonzero) digits is 972, while the sum is 22.
Adding to 31330334101 its reverse (10143303313), we get a palindrome (41473637414).
The spelling of 31330334101 in words is "thirty-one billion, three hundred thirty million, three hundred thirty-four thousand, one hundred one".
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