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131322431231241 = 329252050111467
BaseRepresentation
bin11101110110111111100010…
…110111010101010100001001
3122012222022011000200100112020
4131312333202313111110021
5114203041314343344431
61143144405252435053
736442506160540605
oct3566774267252411
9565868130610466
10131322431231241
1138930591952458
121288b200618a89
135837862959403
14246007a89c505
15102aee78ce696
hex776fe2dd5509

131322431231241 has 12 divisors (see below), whose sum is σ = 181342588354512. Its totient is φ = 84529381020784.

The previous prime is 131322431231239. The next prime is 131322431231249. The reversal of 131322431231241 is 142132134223131.

It is not a de Polignac number, because 131322431231241 - 21 = 131322431231239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131322431231249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26025053211 + ... + 26025058256.

It is an arithmetic number, because the mean of its divisors is an integer number (15111882362876).

Almost surely, 2131322431231241 is an apocalyptic number.

It is an amenable number.

131322431231241 is a deficient number, since it is larger than the sum of its proper divisors (50020157123271).

131322431231241 is an equidigital number, since it uses as much as digits as its factorization.

131322431231241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52050111528 (or 52050111499 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

Adding to 131322431231241 its reverse (142132134223131), we get a palindrome (273454565454372).

The spelling of 131322431231241 in words is "one hundred thirty-one trillion, three hundred twenty-two billion, four hundred thirty-one million, two hundred thirty-one thousand, two hundred forty-one".

Divisors: 1 3 29 87 841 2523 52050111467 156150334401 1509453232543 4528359697629 43774143743747 131322431231241