3131441140 has 24 divisors (see below), whose sum is σ = 6962852232. Its totient is φ = 1178895360.

The previous prime is 3131441119. The next prime is 3131441143. The reversal of 3131441140 is 411441313.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 388405264 + 2743035876 = 19708^2 + 52374^2 .

It is a super-2 number, since 2×3131441140² = 19611847226568999200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131441143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4604721 + ... + 4605400.

It is an arithmetic number, because the mean of its divisors is an integer number (290118843).

Almost surely, 2^3131441140 is an apocalyptic number.

It is an amenable number.

3131441140 is an abundant number, since it is smaller than the sum of its proper divisors (3831411092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3131441140 is a wasteful number, since it uses less digits than its factorization.

3131441140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9210147 (or 9210145 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 3131441140 is about 55959.2810890204. The cubic root of 3131441140 is about 1463.0126601685.

Adding to 3131441140 its reverse (411441313), we get a palindrome (3542882453).

The spelling of 3131441140 in words is "three billion, one hundred thirty-one million, four hundred forty-one thousand, one hundred forty".