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31324442313 = 337648143543
BaseRepresentation
bin11101001011000101…
…010000111011001001
32222212001110112200010
4131023011100323021
51003123024123223
622220143302133
72156151236463
oct351305207311
988761415603
1031324442313
111231491615a
1260a25aa949
132c528aa488
1417322cd133
15c35046393
hex74b150ec9

31324442313 has 16 divisors (see below), whose sum is σ = 42902335616. Its totient is φ = 20314955520.

The previous prime is 31324442203. The next prime is 31324442351.

It is a happy number.

31324442313 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31324442313 - 210 = 31324441289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31324442353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 697620 + ... + 741162.

It is an arithmetic number, because the mean of its divisors is an integer number (2681395976).

Almost surely, 231324442313 is an apocalyptic number.

It is an amenable number.

31324442313 is a deficient number, since it is larger than the sum of its proper divisors (11577893303).

31324442313 is a wasteful number, since it uses less digits than its factorization.

31324442313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50064.

The product of its digits is 20736, while the sum is 30.

The spelling of 31324442313 in words is "thirty-one billion, three hundred twenty-four million, four hundred forty-two thousand, three hundred thirteen".

Divisors: 1 3 37 111 6481 19443 43543 130629 239797 719391 1611091 4833273 282202183 846606549 10441480771 31324442313