20160031115 has 16 divisors (see below), whose sum is σ = 27892721088. Its totient is φ = 13701682176.

The previous prime is 20160031109. The next prime is 20160031147. The reversal of 20160031115 is 51113006102.

It is not a de Polignac number, because 20160031115 - 2⁸ = 20160030859 is a prime.

It is a Duffinian number.

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, 2544722 + ... + 2552631.

It is an arithmetic number, because the mean of its divisors is an integer number (1743295068).

Almost surely, 2^20160031115 is an apocalyptic number.

20160031115 is a deficient number, since it is larger than the sum of its proper divisors (7732689973).

20160031115 is a wasteful number, since it uses less digits than its factorization.

20160031115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5097478.

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 20160031115 its reverse (51113006102), we get a palindrome (71273037217).

The spelling of 20160031115 in words is "twenty billion, one hundred sixty million, thirty-one thousand, one hundred fifteen".