45107031 has 4 divisors (see below), whose sum is σ = 60142712. Its totient is φ = 30071352.

The previous prime is 45107021. The next prime is 45107039. The reversal of 45107031 is 13070154.

45107031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 45107031 - 2¹⁰ = 45106007 is a prime.

It is a super-2 number, since 2×45107031² = 4069288491269922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45106989 and 45107007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45107039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7517836 + ... + 7517841.

It is an arithmetic number, because the mean of its divisors is an integer number (15035678).

Almost surely, 2^45107031 is an apocalyptic number.

45107031 is a deficient number, since it is larger than the sum of its proper divisors (15035681).

45107031 is a wasteful number, since it uses less digits than its factorization.

45107031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15035680.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 45107031 is about 6716.1768142300. The cubic root of 45107031 is about 355.9711055747.

Adding to 45107031 its reverse (13070154), we get a palindrome (58177185).

The spelling of 45107031 in words is "forty-five million, one hundred seven thousand, thirty-one".