10109131 has 4 divisors (see below), whose sum is σ = 10435264. Its totient is φ = 9783000.

The previous prime is 10109129. The next prime is 10109137. The reversal of 10109131 is 13190101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13190101 = 2819 ⋅4679.

It is a cyclic number.

It is not a de Polignac number, because 10109131 - 2¹ = 10109129 is a prime.

It is a super-2 number, since 2×10109131² = 204389059150322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10109137) 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, 163020 + ... + 163081.

It is an arithmetic number, because the mean of its divisors is an integer number (2608816).

Almost surely, 2^10109131 is an apocalyptic number.

10109131 is a deficient number, since it is larger than the sum of its proper divisors (326133).

10109131 is an equidigital number, since it uses as much as digits as its factorization.

10109131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326132.

The product of its (nonzero) digits is 27, while the sum is 16.

The square root of 10109131 is about 3179.4859647434. The cubic root of 10109131 is about 216.2243539368.

Adding to 10109131 its reverse (13190101), we get a palindrome (23299232).

The spelling of 10109131 in words is "ten million, one hundred nine thousand, one hundred thirty-one".