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131344345154215 = 5233915712312103
BaseRepresentation
bin11101110111010011111101…
…000010010100001010100111
3122020001101201020120222112001
4131313103331002110022213
5114203421204324413330
61143202431552110131
736444213213033064
oct3567237502241247
9566041636528461
10131344345154215
11389399077770a6
12128934b7535347
135839945a00c3b
142461159033c6b
15102b87b6a89ca
hex7774fd0942a7

131344345154215 has 16 divisors (see below), whose sum is σ = 158306964798528. Its totient is φ = 104613074286336.

The previous prime is 131344345154179. The next prime is 131344345154219. The reversal of 131344345154215 is 512451543443131.

It is a cyclic number.

It is not a de Polignac number, because 131344345154215 - 215 = 131344345121447 is a prime.

It is a super-2 number, since 2×1313443451542152 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131344345154219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4511854 + ... + 16823956.

It is an arithmetic number, because the mean of its divisors is an integer number (9894185299908).

Almost surely, 2131344345154215 is an apocalyptic number.

131344345154215 is a deficient number, since it is larger than the sum of its proper divisors (26962619644313).

131344345154215 is a wasteful number, since it uses less digits than its factorization.

131344345154215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12321498.

The product of its digits is 1728000, while the sum is 46.

Adding to 131344345154215 its reverse (512451543443131), we get a palindrome (643795888597346).

The spelling of 131344345154215 in words is "one hundred thirty-one trillion, three hundred forty-four billion, three hundred forty-five million, one hundred fifty-four thousand, two hundred fifteen".

Divisors: 1 5 233 1165 9157 45785 2133581 10667905 12312103 61560515 2868719999 14343599995 112741927171 563709635855 26268869030843 131344345154215