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1331113133213 = 15125189349967
BaseRepresentation
bin10011010111101100100…
…001101000010010011101
311201020211120012101022022
4103113230201220102131
5133302104430230323
62455301022025525
7165112136642513
oct23275441502235
94636746171268
101331113133213
11473581730726
12195b8b1182a5
13986a5c8ac36
14485d77904b3
152495a62b4c8
hex135ec86849d

1331113133213 has 8 divisors (see below), whose sum is σ = 1339985475840. Its totient is φ = 1322241541200.

The previous prime is 1331113133179. The next prime is 1331113133243. The reversal of 1331113133213 is 3123313111331.

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 1331113133213 - 238 = 1056235226269 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 (1331113133243) 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, 3628556 + ... + 3978522.

It is an arithmetic number, because the mean of its divisors is an integer number (167498184480).

Almost surely, 21331113133213 is an apocalyptic number.

It is an amenable number.

1331113133213 is a deficient number, since it is larger than the sum of its proper divisors (8872342627).

1331113133213 is a wasteful number, since it uses less digits than its factorization.

1331113133213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375307.

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

Adding to 1331113133213 its reverse (3123313111331), we get a palindrome (4454426244544).

The spelling of 1331113133213 in words is "one trillion, three hundred thirty-one billion, one hundred thirteen million, one hundred thirty-three thousand, two hundred thirteen".

Divisors: 1 151 25189 349967 3803539 52845017 8815318763 1331113133213