545231444035331 has 2 divisors, whose sum is σ = 545231444035332. Its totient is φ = 545231444035330.

The previous prime is 545231444035309. The next prime is 545231444035367. The reversal of 545231444035331 is 133530444132545.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545231444035331 is a prime.

It is a super-2 number, since 2×545231444035331² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (545231444035381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272615722017665 + 272615722017666.

It is an arithmetic number, because the mean of its divisors is an integer number (272615722017666).

Almost surely, 2^{545231444035331} is an apocalyptic number.

545231444035331 is a deficient number, since it is larger than the sum of its proper divisors (1).

545231444035331 is an equidigital number, since it uses as much as digits as its factorization.

545231444035331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184000, while the sum is 47.

Adding to 545231444035331 its reverse (133530444132545), we get a palindrome (678761888167876).

The spelling of 545231444035331 in words is "five hundred forty-five trillion, two hundred thirty-one billion, four hundred forty-four million, thirty-five thousand, three hundred thirty-one".