451452131220031 has 2 divisors, whose sum is σ = 451452131220032. Its totient is φ = 451452131220030.

The previous prime is 451452131220023. The next prime is 451452131220047. The reversal of 451452131220031 is 130022131254154.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 451452131220031 - 2³ = 451452131220023 is a prime.

It is a super-2 number, since 2×451452131220031² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (451452131220631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225726065610015 + 225726065610016.

It is an arithmetic number, because the mean of its divisors is an integer number (225726065610016).

Almost surely, 2^{451452131220031} is an apocalyptic number.

451452131220031 is a deficient number, since it is larger than the sum of its proper divisors (1).

451452131220031 is an equidigital number, since it uses as much as digits as its factorization.

451452131220031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 451452131220031 its reverse (130022131254154), we get a palindrome (581474262474185).

The spelling of 451452131220031 in words is "four hundred fifty-one trillion, four hundred fifty-two billion, one hundred thirty-one million, two hundred twenty thousand, thirty-one".