31201304041 has 2 divisors, whose sum is σ = 31201304042. Its totient is φ = 31201304040.

The previous prime is 31201304039. The next prime is 31201304047. The reversal of 31201304041 is 14040310213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29802843225 + 1398460816 = 172635^2 + 37396^2 .

It is an emirp because it is prime and its reverse (14040310213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31201304041 - 2¹ = 31201304039 is a prime.

Together with 31201304039, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (31201304047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15600652020 + 15600652021.

It is an arithmetic number, because the mean of its divisors is an integer number (15600652021).

Almost surely, 2^31201304041 is an apocalyptic number.

It is an amenable number.

31201304041 is a deficient number, since it is larger than the sum of its proper divisors (1).

31201304041 is an equidigital number, since it uses as much as digits as its factorization.

31201304041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 31201304041 its reverse (14040310213), we get a palindrome (45241614254).

The spelling of 31201304041 in words is "thirty-one billion, two hundred one million, three hundred four thousand, forty-one".