31441545305011 has 2 divisors, whose sum is σ = 31441545305012. Its totient is φ = 31441545305010.

The previous prime is 31441545304997. The next prime is 31441545305081. The reversal of 31441545305011 is 11050354514413.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31441545305011 - 2¹¹ = 31441545302963 is a prime.

It is not a weakly prime, because it can be changed into another prime (31441545305081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15720772652505 + 15720772652506.

It is an arithmetic number, because the mean of its divisors is an integer number (15720772652506).

Almost surely, 2^{31441545305011} is an apocalyptic number.

31441545305011 is a deficient number, since it is larger than the sum of its proper divisors (1).

31441545305011 is an equidigital number, since it uses as much as digits as its factorization.

31441545305011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72000, while the sum is 37.

Adding to 31441545305011 its reverse (11050354514413), we get a palindrome (42491899819424).

The spelling of 31441545305011 in words is "thirty-one trillion, four hundred forty-one billion, five hundred forty-five million, three hundred five thousand, eleven".