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331030312313 = 1674794138241
BaseRepresentation
bin1001101000100101111…
…00011011010101111001
31011122110001221012220112
410310102330123111321
520410422224443223
6412023452234105
732626145141231
oct4642274332571
91148401835815
10331030312313
11118430a88208
12541a546b935
13252a67b505c
1412044348cc1
1589269a5778
hex4d12f1b579

331030312313 has 8 divisors (see below), whose sum is σ = 333707834880. Its totient is φ = 328361067520.

The previous prime is 331030312309. The next prime is 331030312369. The reversal of 331030312313 is 313213030133.

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 331030312313 - 22 = 331030312309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331030312303) 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, 1989128 + ... + 2149113.

It is an arithmetic number, because the mean of its divisors is an integer number (41713479360).

Almost surely, 2331030312313 is an apocalyptic number.

It is an amenable number.

331030312313 is a deficient number, since it is larger than the sum of its proper divisors (2677522567).

331030312313 is a wasteful number, since it uses less digits than its factorization.

331030312313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4138887.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 331030312313 its reverse (313213030133), we get a palindrome (644243342446).

The spelling of 331030312313 in words is "three hundred thirty-one billion, thirty million, three hundred twelve thousand, three hundred thirteen".

Divisors: 1 167 479 79993 4138241 691086247 1982217439 331030312313