3131040041 has 4 divisors (see below), whose sum is σ = 3161438592. Its totient is φ = 3100641492.

The previous prime is 3131040023. The next prime is 3131040049. The reversal of 3131040041 is 1400401313.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1400401313 = 25841 ⋅54193.

It is a cyclic number.

It is not a de Polignac number, because 3131040041 - 2¹⁰ = 3131039017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3131040049) 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, 15199121 + ... + 15199326.

It is an arithmetic number, because the mean of its divisors is an integer number (790359648).

Almost surely, 2^3131040041 is an apocalyptic number.

It is an amenable number.

3131040041 is a deficient number, since it is larger than the sum of its proper divisors (30398551).

3131040041 is a wasteful number, since it uses less digits than its factorization.

3131040041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30398550.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 3131040041 is about 55955.6971272810. The cubic root of 3131040041 is about 1462.9501928736.

Adding to 3131040041 its reverse (1400401313), we get a palindrome (4531441354).

The spelling of 3131040041 in words is "three billion, one hundred thirty-one million, forty thousand, forty-one".