Base | Representation |
---|---|
bin | 100011100001001110100111… |
… | …0111110100000100011001111 |
3 | 1111222020000210000102120110022 |
4 | 1013002131032332200203033 |
5 | 311422323402020201111 |
6 | 3024252230514532355 |
7 | 122544221621040641 |
oct | 10702351676404317 |
9 | 1458200700376408 |
10 | 312430131022031 |
11 | 90605968a1a520 |
12 | 2b05b0768970bb |
13 | 1054405b9b0849 |
14 | 57219b01aa891 |
15 | 261c0585332db |
hex | 11c274efa08cf |
312430131022031 has 8 divisors (see below), whose sum is σ = 345147210336000. Its totient is φ = 280432108396440.
The previous prime is 312430131022013. The next prime is 312430131022043. The reversal of 312430131022031 is 130220131034213.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 312430131022031 - 214 = 312430131005647 is a prime.
It is a super-2 number, since 2×3124301310220312 (a number of 30 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312430131024031) 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, 179764171181 + ... + 179764172918.
It is an arithmetic number, because the mean of its divisors is an integer number (43143401292000).
Almost surely, 2312430131022031 is an apocalyptic number.
312430131022031 is a deficient number, since it is larger than the sum of its proper divisors (32717079313969).
312430131022031 is a wasteful number, since it uses less digits than its factorization.
312430131022031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 359528344189.
The product of its (nonzero) digits is 2592, while the sum is 26.
Adding to 312430131022031 its reverse (130220131034213), we get a palindrome (442650262056244).
The spelling of 312430131022031 in words is "three hundred twelve trillion, four hundred thirty billion, one hundred thirty-one million, twenty-two thousand, thirty-one".
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