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130131203 = 474915639
BaseRepresentation
bin1111100000110…
…10010100000011
3100001212100110012
413300122110003
5231303144303
620525055135
73140045156
oct760322403
9301770405
10130131203
1167501554
12376b74ab
1320c63417
14133d5c9d
15b6575d8
hex7c1a503

130131203 has 8 divisors (see below), whose sum is σ = 133194240. Its totient is φ = 127080520.

The previous prime is 130131191. The next prime is 130131229. The reversal of 130131203 is 302131031.

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 130131203 - 28 = 130130947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130131283) 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, 20258 + ... + 25896.

It is an arithmetic number, because the mean of its divisors is an integer number (16649280).

Almost surely, 2130131203 is an apocalyptic number.

130131203 is a deficient number, since it is larger than the sum of its proper divisors (3063037).

130131203 is an equidigital number, since it uses as much as digits as its factorization.

130131203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6177.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 130131203 is about 11407.5064321700. The cubic root of 130131203 is about 506.7500671132.

Adding to 130131203 its reverse (302131031), we get a palindrome (432262234).

The spelling of 130131203 in words is "one hundred thirty million, one hundred thirty-one thousand, two hundred three".

Divisors: 1 47 491 5639 23077 265033 2768749 130131203