41131399 has 4 divisors (see below), whose sum is σ = 41161536. Its totient is φ = 41101264.

The previous prime is 41131393. The next prime is 41131411. The reversal of 41131399 is 99313114.

41131399 = T₅₂₃₅ + T₅₂₃₆ + T₅₂₃₇.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 41131399 - 2¹¹ = 41129351 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 41131399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41131393) 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, 12919 + ... + 15784.

It is an arithmetic number, because the mean of its divisors is an integer number (10290384).

Almost surely, 2^41131399 is an apocalyptic number.

41131399 is the 5237-th centered triangular number.

41131399 is a deficient number, since it is larger than the sum of its proper divisors (30137).

41131399 is a wasteful number, since it uses less digits than its factorization.

41131399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30136.

The product of its digits is 2916, while the sum is 31.

The square root of 41131399 is about 6413.3765677683. The cubic root of 41131399 is about 345.1896989372.

The spelling of 41131399 in words is "forty-one million, one hundred thirty-one thousand, three hundred ninety-nine".