20251310352103 has 16 divisors (see below), whose sum is σ = 20921900714496. Its totient is φ = 19587240288000.

The previous prime is 20251310352101. The next prime is 20251310352107. The reversal of 20251310352103 is 30125301315202.

It is a cyclic number.

It is not a de Polignac number, because 20251310352103 - 2¹ = 20251310352101 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 (20251310352101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44587450 + ... + 45039352.

It is an arithmetic number, because the mean of its divisors is an integer number (1307618794656).

Almost surely, 2^{20251310352103} is an apocalyptic number.

20251310352103 is a deficient number, since it is larger than the sum of its proper divisors (670590362393).

20251310352103 is a wasteful number, since it uses less digits than its factorization.

20251310352103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459114.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 20251310352103 its reverse (30125301315202), we get a palindrome (50376611667305).

The spelling of 20251310352103 in words is "twenty trillion, two hundred fifty-one billion, three hundred ten million, three hundred fifty-two thousand, one hundred three".