3131341938 has 12 divisors (see below), whose sum is σ = 6784574238. Its totient is φ = 1043780640.

The previous prime is 3131341937. The next prime is 3131342009. The reversal of 3131341938 is 8391431313.

It can be written as a sum of positive squares in only one way, i.e., 3130738209 + 603729 = 55953^2 + 777^2 .

It is not an unprimeable number, because it can be changed into a prime (3131341937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 86981703 + ... + 86981738.

Almost surely, 2^3131341938 is an apocalyptic number.

3131341938 is an abundant number, since it is smaller than the sum of its proper divisors (3653232300).

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

3131341938 is a wasteful number, since it uses less digits than its factorization.

3131341938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173963449 (or 173963446 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 3131341938 is about 55958.3947053523. The cubic root of 3131341938 is about 1462.9972109117.

The spelling of 3131341938 in words is "three billion, one hundred thirty-one million, three hundred forty-one thousand, nine hundred thirty-eight".