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10130131 = 11920921
BaseRepresentation
bin100110101001…
…001011010011
3201001122221001
4212221023103
510043131011
61001042431
7152050624
oct46511323
921048831
1010130131
115799a10
123486417
132138b7b
1414b9a4b
15d517c1
hex9a92d3

10130131 has 4 divisors (see below), whose sum is σ = 11051064. Its totient is φ = 9209200.

The previous prime is 10130129. The next prime is 10130161. The reversal of 10130131 is 13103101.

10130131 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13103101 = 111191191.

It is not a de Polignac number, because 10130131 - 21 = 10130129 is a prime.

It is a super-2 number, since 2×101301312 = 205239108154322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10130101) 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, 460450 + ... + 460471.

It is an arithmetic number, because the mean of its divisors is an integer number (2762766).

Almost surely, 210130131 is an apocalyptic number.

10130131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10130131 is a deficient number, since it is larger than the sum of its proper divisors (920933).

10130131 is an equidigital number, since it uses as much as digits as its factorization.

10130131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920932.

The product of its (nonzero) digits is 9, while the sum is 10.

The square root of 10130131 is about 3182.7866720847. The cubic root of 10130131 is about 216.3739734861.

Adding to 10130131 its reverse (13103101), we get a palindrome (23233232).

The spelling of 10130131 in words is "ten million, one hundred thirty thousand, one hundred thirty-one".

Divisors: 1 11 920921 10130131