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1313202321213 = 31597327404627
BaseRepresentation
bin10011000111000000111…
…101010011011100111101
311122112121022211212012220
4103013000331103130331
5133003414243234323
62443135443115553
7163606243361646
oct23070075233475
94575538755186
101313202321213
11466a20525562
12192610972bb9
1396ab0386b23
14477b8b3c6cd
152425cede0e3
hex131c0f5373d

1313202321213 has 8 divisors (see below), whose sum is σ = 1751046110688. Its totient is φ = 875413372944.

The previous prime is 1313202321173. The next prime is 1313202321259. The reversal of 1313202321213 is 3121232023131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1313202321213 - 28 = 1313202320957 is a prime.

It is a super-2 number, since 2×13132023212132 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313202321313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13654395 + ... + 13750232.

It is an arithmetic number, because the mean of its divisors is an integer number (218880763836).

Almost surely, 21313202321213 is an apocalyptic number.

It is an amenable number.

1313202321213 is a deficient number, since it is larger than the sum of its proper divisors (437843789475).

1313202321213 is a wasteful number, since it uses less digits than its factorization.

1313202321213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27420603.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1313202321213 its reverse (3121232023131), we get a palindrome (4434434344344).

The spelling of 1313202321213 in words is "one trillion, three hundred thirteen billion, two hundred two million, three hundred twenty-one thousand, two hundred thirteen".

Divisors: 1 3 15973 47919 27404627 82213881 437734107071 1313202321213