Search a number
-
+
1313213121310 = 25131321312131
BaseRepresentation
bin10011000111000001100…
…110100000001100011110
311122112122002011120011111
4103013001212200030132
5133003430024340220
62443140510412234
7163606434233056
oct23070146401436
94575562146144
101313213121310
11466a26631862
1219261450107a
1396ab269890c
14477ba350566
152425de2415a
hex131c19a031e

1313213121310 has 8 divisors (see below), whose sum is σ = 2363783618376. Its totient is φ = 525285248520.

The previous prime is 1313213121307. The next prime is 1313213121313. The reversal of 1313213121310 is 131213123131.

It is an interprime number because it is at equal distance from previous prime (1313213121307) and next prime (1313213121313).

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

It is a super-2 number, since 2×13132131213102 (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 (1313213121313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65660656056 + ... + 65660656075.

It is an arithmetic number, because the mean of its divisors is an integer number (295472952297).

Almost surely, 21313213121310 is an apocalyptic number.

1313213121310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1313213121310 is a deficient number, since it is larger than the sum of its proper divisors (1050570497066).

1313213121310 is a wasteful number, since it uses less digits than its factorization.

1313213121310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131321312138.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 1313213121310 its reverse (131213123131), we get a palindrome (1444426244441).

The spelling of 1313213121310 in words is "one trillion, three hundred thirteen billion, two hundred thirteen million, one hundred twenty-one thousand, three hundred ten".

Divisors: 1 2 5 10 131321312131 262642624262 656606560655 1313213121310