45443130131 has 6 divisors (see below), whose sum is σ = 52862416740. Its totient is φ = 38951254356.

The previous prime is 45443130127. The next prime is 45443130193. The reversal of 45443130131 is 13103134454.

It is a happy number.

It is not a de Polignac number, because 45443130131 - 2² = 45443130127 is a prime.

It is a super-2 number, since 2×45443130131² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45443130094 and 45443130103.

It is not an unprimeable number, because it can be changed into a prime (45443130101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 463705361 + ... + 463705458.

It is an arithmetic number, because the mean of its divisors is an integer number (8810402790).

Almost surely, 2^45443130131 is an apocalyptic number.

45443130131 is a deficient number, since it is larger than the sum of its proper divisors (7419286609).

45443130131 is an equidigital number, since it uses as much as digits as its factorization.

45443130131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927410833 (or 927410826 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 45443130131 its reverse (13103134454), we get a palindrome (58546264585).

The spelling of 45443130131 in words is "forty-five billion, four hundred forty-three million, one hundred thirty thousand, one hundred thirty-one".