31916010001 has 16 divisors (see below), whose sum is σ = 35112839040. Its totient is φ = 28874917120.

The previous prime is 31916009989. The next prime is 31916010017. The reversal of 31916010001 is 10001061913.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 31916010001 - 2¹⁹ = 31915485713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31916019001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30685 + ... + 254506.

It is an arithmetic number, because the mean of its divisors is an integer number (2194552440).

Almost surely, 2^31916010001 is an apocalyptic number.

It is an amenable number.

31916010001 is a deficient number, since it is larger than the sum of its proper divisors (3196829039).

31916010001 is a wasteful number, since it uses less digits than its factorization.

31916010001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285464.

The product of its (nonzero) digits is 162, while the sum is 22.

Adding to 31916010001 its reverse (10001061913), we get a palindrome (41917071914).

The spelling of 31916010001 in words is "thirty-one billion, nine hundred sixteen million, ten thousand, one".