2015231104 has 16 divisors (see below), whose sum is σ = 4014718470. Its totient is φ = 1007615488.

The previous prime is 2015231093. The next prime is 2015231107. The reversal of 2015231104 is 4011325102.

It can be written as a sum of positive squares in only one way, i.e., 1953640000 + 61591104 = 44200^2 + 7848^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×2015231104² = 8122312805058117632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2015231107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7871869 + ... + 7872124.

Almost surely, 2^2015231104 is an apocalyptic number.

It is an amenable number.

2015231104 is a deficient number, since it is larger than the sum of its proper divisors (1999487366).

2015231104 is an equidigital number, since it uses as much as digits as its factorization.

2015231104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15744007 (or 15743995 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2015231104 is about 44891.3254872253. The cubic root of 2015231104 is about 1263.1112964759. Note that the first 3 decimals are identical.

Adding to 2015231104 its reverse (4011325102), we get a palindrome (6026556206).

The spelling of 2015231104 in words is "two billion, fifteen million, two hundred thirty-one thousand, one hundred four".