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131200053 = 373599087
BaseRepresentation
bin1111101000111…
…11010000110101
3100010212122122020
413310133100311
5232041400203
621004023353
73152116305
oct764372065
9303778566
10131200053
11680715a6
1237b31b59
1321248a8a
14135d3605
15b7b9153
hex7d1f435

131200053 has 8 divisors (see below), whose sum is σ = 177330048. Its totient is φ = 86268384.

The previous prime is 131200007. The next prime is 131200057. The reversal of 131200053 is 350002131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131200053 - 26 = 131199989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131200057) 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, 299325 + ... + 299762.

It is an arithmetic number, because the mean of its divisors is an integer number (22166256).

Almost surely, 2131200053 is an apocalyptic number.

It is an amenable number.

131200053 is a deficient number, since it is larger than the sum of its proper divisors (46129995).

131200053 is an equidigital number, since it uses as much as digits as its factorization.

131200053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599163.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 131200053 is about 11454.2591641712. The cubic root of 131200053 is about 508.1337055314.

Adding to 131200053 its reverse (350002131), we get a palindrome (481202184).

The spelling of 131200053 in words is "one hundred thirty-one million, two hundred thousand, fifty-three".

Divisors: 1 3 73 219 599087 1797261 43733351 131200053