3131143241 has 4 divisors (see below), whose sum is σ = 3215768772. Its totient is φ = 3046517712.

The previous prime is 3131143231. The next prime is 3131143291. The reversal of 3131143241 is 1423411313.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3005232400 + 125910841 = 54820^2 + 11221^2 .

It is a cyclic number.

It is not a de Polignac number, because 3131143241 - 2⁶ = 3131143177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3131143231) 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, 42312710 + ... + 42312783.

It is an arithmetic number, because the mean of its divisors is an integer number (803942193).

Almost surely, 2^3131143241 is an apocalyptic number.

It is an amenable number.

3131143241 is a deficient number, since it is larger than the sum of its proper divisors (84625531).

3131143241 is an equidigital number, since it uses as much as digits as its factorization.

3131143241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84625530.

The product of its digits is 864, while the sum is 23.

The square root of 3131143241 is about 55956.6192777941. The cubic root of 3131143241 is about 1462.9662657865.

Adding to 3131143241 its reverse (1423411313), we get a palindrome (4554554554).

The spelling of 3131143241 in words is "three billion, one hundred thirty-one million, one hundred forty-three thousand, two hundred forty-one".