45122130531 has 12 divisors (see below), whose sum is σ = 65331968520. Its totient is φ = 30009624480.

The previous prime is 45122130479. The next prime is 45122130553. The reversal of 45122130531 is 13503122154.

45122130531 is a `hidden beast` number, since 4 + 5 + 122 + 1 + 3 + 0 + 531 = 666.

It is not a de Polignac number, because 45122130531 - 2¹⁸ = 45121868387 is a prime.

It is a super-2 number, since 2×45122130531² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45122130495 and 45122130504.

It is not an unprimeable number, because it can be changed into a prime (45122170531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5979010 + ... + 5986551.

It is an arithmetic number, because the mean of its divisors is an integer number (5444330710).

Almost surely, 2^45122130531 is an apocalyptic number.

45122130531 is a deficient number, since it is larger than the sum of its proper divisors (20209837989).

45122130531 is a wasteful number, since it uses less digits than its factorization.

45122130531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11965986 (or 11965983 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 45122130531 its reverse (13503122154), we get a palindrome (58625252685).

The spelling of 45122130531 in words is "forty-five billion, one hundred twenty-two million, one hundred thirty thousand, five hundred thirty-one".