445131012103 has 4 divisors (see below), whose sum is σ = 445572173680. Its totient is φ = 444689850528.

The previous prime is 445131012071. The next prime is 445131012107. The reversal of 445131012103 is 301210131544.

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 445131012103 - 2⁵ = 445131012071 is a prime.

It is a super-2 number, since 2×445131012103² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445131012107) 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, 220579275 + ... + 220581292.

It is an arithmetic number, because the mean of its divisors is an integer number (111393043420).

Almost surely, 2^445131012103 is an apocalyptic number.

445131012103 is a deficient number, since it is larger than the sum of its proper divisors (441161577).

445131012103 is a wasteful number, since it uses less digits than its factorization.

445131012103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441161576.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 445131012103 its reverse (301210131544), we get a palindrome (746341143647).

The spelling of 445131012103 in words is "four hundred forty-five billion, one hundred thirty-one million, twelve thousand, one hundred three".