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131323131033 = 3773273259
BaseRepresentation
bin111101001001101110…
…1111111010010011001
3110112222010122021011220
41322103131333102121
54122422210143113
6140155022242253
712326211124143
oct1722335772231
9415863567156
10131323131033
115076a536056
122154ba26389
13c4cb04b0c3
1464db0cbc93
1536390c2523
hex1e9377f499

131323131033 has 12 divisors (see below), whose sum is σ = 175326711120. Its totient is φ = 87434302096.

The previous prime is 131323131001. The next prime is 131323131059. The reversal of 131323131033 is 330131323131.

It is not a de Polignac number, because 131323131033 - 25 = 131323131001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131323130994 and 131323131012.

It is not an unprimeable number, because it can be changed into a prime (131323131133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1755958 + ... + 1829216.

It is an arithmetic number, because the mean of its divisors is an integer number (14610559260).

Almost surely, 2131323131033 is an apocalyptic number.

It is an amenable number.

131323131033 is a deficient number, since it is larger than the sum of its proper divisors (44003580087).

131323131033 is an frugal number, since it uses more digits than its factorization.

131323131033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74808 (or 74035 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 24.

Adding to 131323131033 its reverse (330131323131), we get a palindrome (461454454164).

The spelling of 131323131033 in words is "one hundred thirty-one billion, three hundred twenty-three million, one hundred thirty-one thousand, thirty-three".

Divisors: 1 3 773 2319 73259 219777 597529 1792587 56629207 169887621 43774377011 131323131033