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1313213131133 = 7981120496857
BaseRepresentation
bin10011000111000001100…
…110100010100101111101
311122112122002012001122022
4103013001212202211331
5133003430030144013
62443140510525525
7163606434303521
oct23070146424575
94575562161568
101313213131133
11466a26639182
121926145068a5
1396ab26a0227
14477ba353d81
152425de27008
hex131c19a297d

1313213131133 has 8 divisors (see below), whose sum is σ = 1331475895680. Its totient is φ = 1294991362080.

The previous prime is 1313213131121. The next prime is 1313213131141. The reversal of 1313213131133 is 3311313123131.

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

It is a cyclic number.

It is not a de Polignac number, because 1313213131133 - 28 = 1313213130877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313213131183) 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, 10184360 + ... + 10312497.

It is an arithmetic number, because the mean of its divisors is an integer number (166434486960).

Almost surely, 21313213131133 is an apocalyptic number.

It is an amenable number.

1313213131133 is a deficient number, since it is larger than the sum of its proper divisors (18262764547).

1313213131133 is an equidigital number, since it uses as much as digits as its factorization.

1313213131133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20497747.

The product of its digits is 1458, while the sum is 26.

Adding to 1313213131133 its reverse (3311313123131), we get a palindrome (4624526254264).

The spelling of 1313213131133 in words is "one trillion, three hundred thirteen billion, two hundred thirteen million, one hundred thirty-one thousand, one hundred thirty-three".

Divisors: 1 79 811 64069 20496857 1619251703 16622951027 1313213131133