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131333120331 = 378599727289
BaseRepresentation
bin111101001010000010…
…0000110000101001011
3110112222211102202220220
41322110010012011023
54122432234322311
6140200020321123
712326362050360
oct1722404060513
9415884382826
10131333120331
1150775139176
12215532431a3
13c500137b2a
1464dc56c467
153639de7206
hex1e9410614b

131333120331 has 16 divisors (see below), whose sum is σ = 200150208000. Its totient is φ = 75038666688.

The previous prime is 131333120327. The next prime is 131333120351. The reversal of 131333120331 is 133021333131.

It is not a de Polignac number, because 131333120331 - 22 = 131333120327 is a prime.

It is a super-2 number, since 2×1313331203312 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131333120311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183066 + ... + 544223.

It is an arithmetic number, because the mean of its divisors is an integer number (12509388000).

Almost surely, 2131333120331 is an apocalyptic number.

131333120331 is a deficient number, since it is larger than the sum of its proper divisors (68817087669).

131333120331 is an equidigital number, since it uses as much as digits as its factorization.

131333120331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735898.

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

Adding to 131333120331 its reverse (133021333131), we get a palindrome (264354453462).

The spelling of 131333120331 in words is "one hundred thirty-one billion, three hundred thirty-three million, one hundred twenty thousand, three hundred thirty-one".

Divisors: 1 3 7 21 8599 25797 60193 180579 727289 2181867 5091023 15273069 6253958111 18761874333 43777706777 131333120331