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130131301 = 831567847
BaseRepresentation
bin1111100000110…
…10010101100101
3100001212100120211
413300122111211
5231303200201
620525055421
73140045356
oct760322545
9301770524
10130131301
1167501633
12376b7571
1320c63491
14133d5d2d
15b657651
hex7c1a565

130131301 has 4 divisors (see below), whose sum is σ = 131699232. Its totient is φ = 128563372.

The previous prime is 130131299. The next prime is 130131343. The reversal of 130131301 is 103131031.

It is a happy number.

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 not a de Polignac number, because 130131301 - 21 = 130131299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130131371) 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, 783841 + ... + 784006.

It is an arithmetic number, because the mean of its divisors is an integer number (32924808).

Almost surely, 2130131301 is an apocalyptic number.

It is an amenable number.

130131301 is a deficient number, since it is larger than the sum of its proper divisors (1567931).

130131301 is an equidigital number, since it uses as much as digits as its factorization.

130131301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567930.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 130131301 is about 11407.5107275865. The cubic root of 130131301 is about 506.7501943220.

Adding to 130131301 its reverse (103131031), we get a palindrome (233262332).

The spelling of 130131301 in words is "one hundred thirty million, one hundred thirty-one thousand, three hundred one".

Divisors: 1 83 1567847 130131301