45324021131 has 4 divisors (see below), whose sum is σ = 45330159192. Its totient is φ = 45317883072.

The previous prime is 45324021121. The next prime is 45324021151. The reversal of 45324021131 is 13112042354.

It is a happy number.

45324021131 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 a cyclic number.

It is not a de Polignac number, because 45324021131 - 2¹⁰ = 45324020107 is a prime.

It is a super-2 number, since 2×45324021131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45324021131.

It is not an unprimeable number, because it can be changed into a prime (45324021101) 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, 3057941 + ... + 3072726.

It is an arithmetic number, because the mean of its divisors is an integer number (11332539798).

Almost surely, 2^45324021131 is an apocalyptic number.

45324021131 is a deficient number, since it is larger than the sum of its proper divisors (6138061).

45324021131 is an equidigital number, since it uses as much as digits as its factorization.

45324021131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6138060.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 45324021131 its reverse (13112042354), we get a palindrome (58436063485).

The spelling of 45324021131 in words is "forty-five billion, three hundred twenty-four million, twenty-one thousand, one hundred thirty-one".