31142322434 has 8 divisors (see below), whose sum is σ = 46736243580. Its totient is φ = 15563574576.

The previous prime is 31142322403. The next prime is 31142322439. The reversal of 31142322434 is 43422324113.

It can be written as a sum of positive squares in 2 ways, for example, as 29430431809 + 1711890625 = 171553^2 + 41375^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 31142322397 and 31142322406.

It is not an unprimeable number, because it can be changed into a prime (31142322439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3788189 + ... + 3796400.

Almost surely, 2^31142322434 is an apocalyptic number.

31142322434 is a deficient number, since it is larger than the sum of its proper divisors (15593921146).

31142322434 is a wasteful number, since it uses less digits than its factorization.

31142322434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7586644.

The product of its digits is 13824, while the sum is 29.

Adding to 31142322434 its reverse (43422324113), we get a palindrome (74564646547).

The spelling of 31142322434 in words is "thirty-one billion, one hundred forty-two million, three hundred twenty-two thousand, four hundred thirty-four".