2100315 has 32 divisors (see below), whose sum is σ = 3902976. Its totient is φ = 944640.

The previous prime is 2100313. The next prime is 2100353. The reversal of 2100315 is 5130012.

It is not a de Polignac number, because 2100315 - 2¹ = 2100313 is a prime.

It is a super-2 number, since 2×2100315² = 8822646198450, which contains 22 as substring.

2100315 is a modest number, since divided by 315 gives 210 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 2100315.

It is not an unprimeable number, because it can be changed into a prime (2100313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8595 + ... + 8835.

It is an arithmetic number, because the mean of its divisors is an integer number (121968).

2^2100315 is an apocalyptic number.

2100315 is a deficient number, since it is larger than the sum of its proper divisors (1802661).

2100315 is a wasteful number, since it uses less digits than its factorization.

2100315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 2100315 is about 1449.2463558691. The cubic root of 2100315 is about 128.0643190745.

Adding to 2100315 its reverse (5130012), we get a palindrome (7230327).

It can be divided in two parts, 2100 and 315, that added together give a triangular number (2415 = T₆₉).

The spelling of 2100315 in words is "two million, one hundred thousand, three hundred fifteen".