31212030041 has 2 divisors, whose sum is σ = 31212030042. Its totient is φ = 31212030040.

The previous prime is 31212029983. The next prime is 31212030067. The reversal of 31212030041 is 14003021213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27065185225 + 4146844816 = 164515^2 + 64396^2 .

It is a cyclic number.

It is not a de Polignac number, because 31212030041 - 2⁶ = 31212029977 is a prime.

It is not a weakly prime, because it can be changed into another prime (31212032041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15606015020 + 15606015021.

It is an arithmetic number, because the mean of its divisors is an integer number (15606015021).

Almost surely, 2^31212030041 is an apocalyptic number.

It is an amenable number.

31212030041 is a deficient number, since it is larger than the sum of its proper divisors (1).

31212030041 is an equidigital number, since it uses as much as digits as its factorization.

31212030041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 31212030041 its reverse (14003021213), we get a palindrome (45215051254).

The spelling of 31212030041 in words is "thirty-one billion, two hundred twelve million, thirty thousand, forty-one".