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1311413032213 = 6719573328839
BaseRepresentation
bin10011000101010110010…
…011101101010100010101
311122100222121222120010221
4103011112103231110111
5132441233214012323
62442242124314341
7163514015564644
oct23052623552425
94570877876127
101311413032213
11466192517219
121921b16a29b1
139688677713b
144768925335b
15241a5d9e55d
hex131564ed515

1311413032213 has 4 divisors (see below), whose sum is σ = 1330986361120. Its totient is φ = 1291839703308.

The previous prime is 1311413032141. The next prime is 1311413032219. The reversal of 1311413032213 is 3122303141131.

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 1311413032213 - 29 = 1311413031701 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 (1311413032219) 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, 9786664353 + ... + 9786664486.

It is an arithmetic number, because the mean of its divisors is an integer number (332746590280).

Almost surely, 21311413032213 is an apocalyptic number.

It is an amenable number.

1311413032213 is a deficient number, since it is larger than the sum of its proper divisors (19573328907).

1311413032213 is an equidigital number, since it uses as much as digits as its factorization.

1311413032213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19573328906.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 1311413032213 its reverse (3122303141131), we get a palindrome (4433716173344).

The spelling of 1311413032213 in words is "one trillion, three hundred eleven billion, four hundred thirteen million, thirty-two thousand, two hundred thirteen".

Divisors: 1 67 19573328839 1311413032213