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131412311 = 298775167
BaseRepresentation
bin1111101010100…
…11000101010111
3100011021102210122
413311103011113
5232120143221
621012342155
73153662162
oct765230527
9304242718
10131412311
11681a7018
123801495b
13212c1584
141364aad9
15b80beab
hex7d53157

131412311 has 8 divisors (see below), whose sum is σ = 136125120. Its totient is φ = 126711648.

The previous prime is 131412301. The next prime is 131412373. The reversal of 131412311 is 113214131.

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 131412311 - 26 = 131412247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131412311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131412301) 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, 22850 + ... + 28016.

It is an arithmetic number, because the mean of its divisors is an integer number (17015640).

Almost surely, 2131412311 is an apocalyptic number.

131412311 is a deficient number, since it is larger than the sum of its proper divisors (4712809).

131412311 is an equidigital number, since it uses as much as digits as its factorization.

131412311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6073.

The product of its digits is 72, while the sum is 17.

The square root of 131412311 is about 11463.5208814744. The cubic root of 131412311 is about 508.4075807581.

Adding to 131412311 its reverse (113214131), we get a palindrome (244626442).

The spelling of 131412311 in words is "one hundred thirty-one million, four hundred twelve thousand, three hundred eleven".

Divisors: 1 29 877 5167 25433 149843 4531459 131412311