31048740017 has 2 divisors, whose sum is σ = 31048740018. Its totient is φ = 31048740016.

The previous prime is 31048739977. The next prime is 31048740049. The reversal of 31048740017 is 71004784013.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28238785936 + 2809954081 = 168044^2 + 53009^2 .

It is an emirp because it is prime and its reverse (71004784013) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31048740017 - 2¹⁴ = 31048723633 is a prime.

It is not a weakly prime, because it can be changed into another prime (31048740067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15524370008 + 15524370009.

It is an arithmetic number, because the mean of its divisors is an integer number (15524370009).

Almost surely, 2^31048740017 is an apocalyptic number.

It is an amenable number.

31048740017 is a deficient number, since it is larger than the sum of its proper divisors (1).

31048740017 is an equidigital number, since it uses as much as digits as its factorization.

31048740017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18816, while the sum is 35.

The spelling of 31048740017 in words is "thirty-one billion, forty-eight million, seven hundred forty thousand, seventeen".