31120356034 has 32 divisors (see below), whose sum is σ = 49969011456. Its totient is φ = 14500020480.

The previous prime is 31120355891. The next prime is 31120356107. The reversal of 31120356034 is 43065302113.

It is a junction number, because it is equal to n+sod(n) for n = 31120355993 and 31120356011.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1359774 + ... + 1382470.

It is an arithmetic number, because the mean of its divisors is an integer number (1561531608).

Almost surely, 2^31120356034 is an apocalyptic number.

31120356034 is a deficient number, since it is larger than the sum of its proper divisors (18848655422).

31120356034 is a wasteful number, since it uses less digits than its factorization.

31120356034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23490.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 31120356034 its reverse (43065302113), we get a palindrome (74185658147).

The spelling of 31120356034 in words is "thirty-one billion, one hundred twenty million, three hundred fifty-six thousand, thirty-four".