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131411353 = 196916387
BaseRepresentation
bin1111101010100…
…10110110011001
3100011021101111011
413311102312121
5232120130403
621012333521
73153656323
oct765226631
9304241434
10131411353
11681a6327
12380142a1
13212c0cc8
141364a613
15b80ba6d
hex7d52d99

131411353 has 4 divisors (see below), whose sum is σ = 138327760. Its totient is φ = 124494948.

The previous prime is 131411347. The next prime is 131411363. The reversal of 131411353 is 353114131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-131411353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131411363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3458175 + ... + 3458212.

It is an arithmetic number, because the mean of its divisors is an integer number (34581940).

Almost surely, 2131411353 is an apocalyptic number.

It is an amenable number.

131411353 is a deficient number, since it is larger than the sum of its proper divisors (6916407).

131411353 is an equidigital number, since it uses as much as digits as its factorization.

131411353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6916406.

The product of its digits is 540, while the sum is 22.

The square root of 131411353 is about 11463.4790966792. The cubic root of 131411353 is about 508.4063453192.

Adding to 131411353 its reverse (353114131), we get a palindrome (484525484).

The spelling of 131411353 in words is "one hundred thirty-one million, four hundred eleven thousand, three hundred fifty-three".

Divisors: 1 19 6916387 131411353