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131313000321013 = 718759000045859
BaseRepresentation
bin11101110110110110110000…
…101111010000111111110101
3122012221101210202202110210211
4131312312300233100333311
5114202413011040233023
61143140205355345421
736442023363245530
oct3566666057207765
9565841722673724
10131313000321013
11389275923a3a75
121288940a152271
1358369bbb34464
14245d824157a17
15102ab44985a0d
hex776db0bd0ff5

131313000321013 has 4 divisors (see below), whose sum is σ = 150072000366880. Its totient is φ = 112554000275148.

The previous prime is 131313000321001. The next prime is 131313000321059. The reversal of 131313000321013 is 310123000313131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131313000321013 - 25 = 131313000320981 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 (131313004321013) 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, 9379500022923 + ... + 9379500022936.

It is an arithmetic number, because the mean of its divisors is an integer number (37518000091720).

Almost surely, 2131313000321013 is an apocalyptic number.

It is an amenable number.

131313000321013 is a deficient number, since it is larger than the sum of its proper divisors (18759000045867).

131313000321013 is an equidigital number, since it uses as much as digits as its factorization.

131313000321013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18759000045866.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 131313000321013 its reverse (310123000313131), we get a palindrome (441436000634144).

The spelling of 131313000321013 in words is "one hundred thirty-one trillion, three hundred thirteen billion, three hundred twenty-one thousand, thirteen".

Divisors: 1 7 18759000045859 131313000321013