Base | Representation |
---|---|
bin | 11100111000010101… |
… | …111000011101001010 |
3 | 2222001010211211000202 |
4 | 130320111320131022 |
5 | 1002002032001214 |
6 | 22125032332202 |
7 | 2145312626624 |
oct | 347025703512 |
9 | 88033754022 |
10 | 31010031434 |
11 | 12173399658 |
12 | 6015244062 |
13 | 2c02705235 |
14 | 1702647c14 |
15 | c1763c6de |
hex | 73857874a |
31010031434 has 8 divisors (see below), whose sum is σ = 46756058340. Its totient is φ = 15424678656.
The previous prime is 31010031433. The next prime is 31010031439. The reversal of 31010031434 is 43413001013.
It can be written as a sum of positive squares in 2 ways, for example, as 29997200809 + 1012830625 = 173197^2 + 31825^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (31010031433) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40168049 + ... + 40168820.
Almost surely, 231010031434 is an apocalyptic number.
31010031434 is a deficient number, since it is larger than the sum of its proper divisors (15746026906).
31010031434 is a wasteful number, since it uses less digits than its factorization.
31010031434 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80337064.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 31010031434 its reverse (43413001013), we get a palindrome (74423032447).
The spelling of 31010031434 in words is "thirty-one billion, ten million, thirty-one thousand, four hundred thirty-four".
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