2015103100 has 18 divisors (see below), whose sum is σ = 4372773944. Its totient is φ = 806041200.

The previous prime is 2015103067. The next prime is 2015103113. The reversal of 2015103100 is 13015102.

It is a super-2 number, since 2×2015103100² = 8121281007259220000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10075416 + ... + 10075615.

Almost surely, 2^2015103100 is an apocalyptic number.

2015103100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2015103100 is an abundant number, since it is smaller than the sum of its proper divisors (2357670844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2015103100 is a wasteful number, since it uses less digits than its factorization.

2015103100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20151045 (or 20151038 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 2015103100 is about 44889.8997548446. The cubic root of 2015103100 is about 1263.0845523602.

Adding to 2015103100 its reverse (13015102), we get a palindrome (2028118202).

The spelling of 2015103100 in words is "two billion, fifteen million, one hundred three thousand, one hundred".