3131442012434 has 4 divisors (see below), whose sum is σ = 4697163018654. Its totient is φ = 1565721006216.

The previous prime is 3131442012403. The next prime is 3131442012487. The reversal of 3131442012434 is 4342102441313.

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

It can be written as a sum of positive squares in only one way, i.e., 3126874280209 + 4567732225 = 1768297^2 + 67585^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3131442012434.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 782860503107 + ... + 782860503110.

Almost surely, 2^{3131442012434} is an apocalyptic number.

3131442012434 is a deficient number, since it is larger than the sum of its proper divisors (1565721006220).

3131442012434 is a wasteful number, since it uses less digits than its factorization.

3131442012434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565721006219.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 3131442012434 its reverse (4342102441313), we get a palindrome (7473544453747).

The spelling of 3131442012434 in words is "three trillion, one hundred thirty-one billion, four hundred forty-two million, twelve thousand, four hundred thirty-four".