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131331003230311 = 791662417762409
BaseRepresentation
bin11101110111000111100001…
…110010111010100001100111
3122020000010021102102000122021
4131313013201302322201213
5114203211343311332221
61143152344024244011
736443231455405543
oct3567074162724147
9566003242360567
10131331003230311
1138934190593205
12128909b3310607
1358385ca843001
142460651100a23
15102b34a216041
hex7771e1cba867

131331003230311 has 4 divisors (see below), whose sum is σ = 132993420992800. Its totient is φ = 129668585467824.

The previous prime is 131331003230303. The next prime is 131331003230351. The reversal of 131331003230311 is 113032300133131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131331003230311 - 23 = 131331003230303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131331003230351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 831208881126 + ... + 831208881283.

It is an arithmetic number, because the mean of its divisors is an integer number (33248355248200).

Almost surely, 2131331003230311 is an apocalyptic number.

131331003230311 is a deficient number, since it is larger than the sum of its proper divisors (1662417762489).

131331003230311 is an equidigital number, since it uses as much as digits as its factorization.

131331003230311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662417762488.

The product of its (nonzero) digits is 1458, while the sum is 25.

Adding to 131331003230311 its reverse (113032300133131), we get a palindrome (244363303363442).

The spelling of 131331003230311 in words is "one hundred thirty-one trillion, three hundred thirty-one billion, three million, two hundred thirty thousand, three hundred eleven".

Divisors: 1 79 1662417762409 131331003230311