31240041214237 has 2 divisors, whose sum is σ = 31240041214238. Its totient is φ = 31240041214236.

The previous prime is 31240041214183. The next prime is 31240041214241. The reversal of 31240041214237 is 73241214004213.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16590583507716 + 14649457706521 = 4073154^2 + 3827461^2 .

It is a cyclic number.

It is not a de Polignac number, because 31240041214237 - 2¹¹ = 31240041212189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31240041224237) 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, 15620020607118 + 15620020607119.

It is an arithmetic number, because the mean of its divisors is an integer number (15620020607119).

Almost surely, 2^{31240041214237} is an apocalyptic number.

It is an amenable number.

31240041214237 is a deficient number, since it is larger than the sum of its proper divisors (1).

31240041214237 is an equidigital number, since it uses as much as digits as its factorization.

31240041214237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 34.

The spelling of 31240041214237 in words is "thirty-one trillion, two hundred forty billion, forty-one million, two hundred fourteen thousand, two hundred thirty-seven".