31241211214249 has 2 divisors, whose sum is σ = 31241211214250. Its totient is φ = 31241211214248.

The previous prime is 31241211214177. The next prime is 31241211214271. The reversal of 31241211214249 is 94241211214213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30183563517849 + 1057647696400 = 5493957^2 + 1028420^2 .

It is a cyclic number.

It is not a de Polignac number, because 31241211214249 - 2¹¹ = 31241211212201 is a prime.

It is not a weakly prime, because it can be changed into another prime (31241211214289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15620605607124 + 15620605607125.

It is an arithmetic number, because the mean of its divisors is an integer number (15620605607125).

Almost surely, 2^{31241211214249} is an apocalyptic number.

It is an amenable number.

31241211214249 is a deficient number, since it is larger than the sum of its proper divisors (1).

31241211214249 is an equidigital number, since it uses as much as digits as its factorization.

31241211214249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 37.

The spelling of 31241211214249 in words is "thirty-one trillion, two hundred forty-one billion, two hundred eleven million, two hundred fourteen thousand, two hundred forty-nine".