2513451102103 has 4 divisors (see below), whose sum is σ = 2513530741288. Its totient is φ = 2513371462920.

The previous prime is 2513451102013. The next prime is 2513451102119. The reversal of 2513451102103 is 3012011543152.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2513451102103 - 2²⁵ = 2513417547671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2513451102143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39772233 + ... + 39835378.

It is an arithmetic number, because the mean of its divisors is an integer number (628382685322).

Almost surely, 2^{2513451102103} is an apocalyptic number.

2513451102103 is a deficient number, since it is larger than the sum of its proper divisors (79639185).

2513451102103 is an equidigital number, since it uses as much as digits as its factorization.

2513451102103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79639184.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 2513451102103 its reverse (3012011543152), we get a palindrome (5525462645255).

The spelling of 2513451102103 in words is "two trillion, five hundred thirteen billion, four hundred fifty-one million, one hundred two thousand, one hundred three".