45320556131 has 2 divisors, whose sum is σ = 45320556132. Its totient is φ = 45320556130.

The previous prime is 45320556067. The next prime is 45320556133. The reversal of 45320556131 is 13165502354.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45320556131 - 2⁶ = 45320556067 is a prime.

It is a super-2 number, since 2×45320556131² (a number of 22 digits) contains 22 as substring.

Together with 45320556133, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 45320556091 and 45320556100.

It is not a weakly prime, because it can be changed into another prime (45320556133) 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 as a sum of consecutive naturals, namely, 22660278065 + 22660278066.

It is an arithmetic number, because the mean of its divisors is an integer number (22660278066).

Almost surely, 2^45320556131 is an apocalyptic number.

45320556131 is a deficient number, since it is larger than the sum of its proper divisors (1).

45320556131 is an equidigital number, since it uses as much as digits as its factorization.

45320556131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 45320556131 in words is "forty-five billion, three hundred twenty million, five hundred fifty-six thousand, one hundred thirty-one".