2103131415 has 64 divisors (see below), whose sum is σ = 4205076480. Its totient is φ = 872000640.

The previous prime is 2103131411. The next prime is 2103131453. The reversal of 2103131415 is 5141313012.

It is not a de Polignac number, because 2103131415 - 2² = 2103131411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 2103131391 and 2103131400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103131411) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 560616 + ... + 564354.

It is an arithmetic number, because the mean of its divisors is an integer number (65704320).

Almost surely, 2^2103131415 is an apocalyptic number.

2103131415 is a deficient number, since it is larger than the sum of its proper divisors (2101945065).

2103131415 is a wasteful number, since it uses less digits than its factorization.

2103131415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4252.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 2103131415 is about 45859.9107609249. The cubic root of 2103131415 is about 1281.2153607451.

Adding to 2103131415 its reverse (5141313012), we get a palindrome (7244444427).

The spelling of 2103131415 in words is "two billion, one hundred three million, one hundred thirty-one thousand, four hundred fifteen".