45213113131 has 2 divisors, whose sum is σ = 45213113132. Its totient is φ = 45213113130.

The previous prime is 45213113119. The next prime is 45213113159. The reversal of 45213113131 is 13131131254.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45213113131 is a prime.

It is a super-2 number, since 2×45213113131² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45213113096 and 45213113105.

It is not a weakly prime, because it can be changed into another prime (45213113161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22606556565 + 22606556566.

It is an arithmetic number, because the mean of its divisors is an integer number (22606556566).

Almost surely, 2^45213113131 is an apocalyptic number.

45213113131 is a deficient number, since it is larger than the sum of its proper divisors (1).

45213113131 is an equidigital number, since it uses as much as digits as its factorization.

45213113131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 25.

Adding to 45213113131 its reverse (13131131254), we get a palindrome (58344244385).

The spelling of 45213113131 in words is "forty-five billion, two hundred thirteen million, one hundred thirteen thousand, one hundred thirty-one".