31244111434 has 4 divisors (see below), whose sum is σ = 46866167154. Its totient is φ = 15622055716.

The previous prime is 31244111413. The next prime is 31244111441. The reversal of 31244111434 is 43411144213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43411144213 = 3109 ⋅13963057.

It can be written as a sum of positive squares in only one way, i.e., 19001795409 + 12242316025 = 137847^2 + 110645^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 7811027857 + ... + 7811027860.

Almost surely, 2^31244111434 is an apocalyptic number.

31244111434 is a deficient number, since it is larger than the sum of its proper divisors (15622055720).

31244111434 is a wasteful number, since it uses less digits than its factorization.

31244111434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15622055719.

The product of its digits is 4608, while the sum is 28.

Adding to 31244111434 its reverse (43411144213), we get a palindrome (74655255647).

The spelling of 31244111434 in words is "thirty-one billion, two hundred forty-four million, one hundred eleven thousand, four hundred thirty-four".