31106384425 has 24 divisors (see below), whose sum is σ = 38894760576. Its totient is φ = 24677533440.

The previous prime is 31106384417. The next prime is 31106384471. The reversal of 31106384425 is 52448360113.

It is not a de Polignac number, because 31106384425 - 2³ = 31106384417 is a prime.

It is a Duffinian number.

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 in 23 ways as a sum of consecutive naturals, for example, 1799172 + ... + 1816378.

It is an arithmetic number, because the mean of its divisors is an integer number (1620615024).

Almost surely, 2^31106384425 is an apocalyptic number.

It is an amenable number.

31106384425 is a deficient number, since it is larger than the sum of its proper divisors (7788376151).

31106384425 is a wasteful number, since it uses less digits than its factorization.

31106384425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17817 (or 17812 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 31106384425 in words is "thirty-one billion, one hundred six million, three hundred eighty-four thousand, four hundred twenty-five".