31310312434 has 8 divisors (see below), whose sum is σ = 48584967660. Its totient is φ = 15115323216.

The previous prime is 31310312417. The next prime is 31310312491. The reversal of 31310312434 is 43421301313.

It can be written as a sum of positive squares in 2 ways, for example, as 31302455625 + 7856809 = 176925^2 + 2803^2 .

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 = 31310312399 and 31310312408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269916429 + ... + 269916544.

Almost surely, 2^31310312434 is an apocalyptic number.

31310312434 is a deficient number, since it is larger than the sum of its proper divisors (17274655226).

31310312434 is a wasteful number, since it uses less digits than its factorization.

31310312434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539833004.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 31310312434 its reverse (43421301313), we get a palindrome (74731613747).

The spelling of 31310312434 in words is "thirty-one billion, three hundred ten million, three hundred twelve thousand, four hundred thirty-four".