Base | Representation |
---|---|
bin | 101101100100000001001… |
… | …101000010010101010111 |
3 | 102002022210100111210211220 |
4 | 231210001031002111113 |
5 | 402244343121302211 |
6 | 10354215104501423 |
7 | 442132241244561 |
oct | 55440115022527 |
9 | 12068710453756 |
10 | 3131051353431 |
11 | aa7964954241 |
12 | 42699a91a873 |
13 | 199345482051 |
14 | ab787c7a331 |
15 | 566a4a2e806 |
hex | 2d901342557 |
3131051353431 has 8 divisors (see below), whose sum is σ = 4191367549824. Its totient is φ = 2079051363000.
The previous prime is 3131051353403. The next prime is 3131051353433. The reversal of 3131051353431 is 1343531501313.
3131051353431 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 3131051353431 - 213 = 3131051345239 is a prime.
It is a super-2 number, since 2×31310513534312 (a number of 26 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 3131051353392 and 3131051353401.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3131051353433) 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, 2079050611 + ... + 2079052116.
It is an arithmetic number, because the mean of its divisors is an integer number (523920943728).
Almost surely, 23131051353431 is an apocalyptic number.
3131051353431 is a deficient number, since it is larger than the sum of its proper divisors (1060316196393).
3131051353431 is a wasteful number, since it uses less digits than its factorization.
3131051353431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4158102981.
The product of its (nonzero) digits is 24300, while the sum is 33.
Adding to 3131051353431 its reverse (1343531501313), we get a palindrome (4474582854744).
The spelling of 3131051353431 in words is "three trillion, one hundred thirty-one billion, fifty-one million, three hundred fifty-three thousand, four hundred thirty-one".
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