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131104153 = 1722334583
BaseRepresentation
bin1111101000001…
…11110110011001
3100010200210002101
413310013312121
5232030313103
621002003401
73151236565
oct764076631
9303623071
10131104153
1168006544
1237aa6561
132121422b
14135aa6a5
15b79aa1d
hex7d07d99

131104153 has 8 divisors (see below), whose sum is σ = 139442688. Its totient is φ = 122835264.

The previous prime is 131104151. The next prime is 131104159. The reversal of 131104153 is 351401131.

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 131104153 - 21 = 131104151 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 131104153.

It is not an unprimeable number, because it can be changed into a prime (131104151) 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, 13501 + ... + 21082.

It is an arithmetic number, because the mean of its divisors is an integer number (17430336).

Almost surely, 2131104153 is an apocalyptic number.

It is an amenable number.

131104153 is a deficient number, since it is larger than the sum of its proper divisors (8338535).

131104153 is a wasteful number, since it uses less digits than its factorization.

131104153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34823.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 131104153 is about 11450.0721831786. The cubic root of 131104153 is about 508.0098694530.

Adding to 131104153 its reverse (351401131), we get a palindrome (482505284).

The spelling of 131104153 in words is "one hundred thirty-one million, one hundred four thousand, one hundred fifty-three".

Divisors: 1 17 223 3791 34583 587911 7712009 131104153