31642324150649 has 2 divisors, whose sum is σ = 31642324150650. Its totient is φ = 31642324150648.

The previous prime is 31642324150603. The next prime is 31642324150691. The reversal of 31642324150649 is 94605142324613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23868041853049 + 7774282297600 = 4885493^2 + 2788240^2 .

It is a cyclic number.

It is not a de Polignac number, because 31642324150649 - 2¹² = 31642324146553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31642324150597 and 31642324150606.

It is not a weakly prime, because it can be changed into another prime (31642324155649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15821162075324 + 15821162075325.

It is an arithmetic number, because the mean of its divisors is an integer number (15821162075325).

Almost surely, 2^{31642324150649} is an apocalyptic number.

It is an amenable number.

31642324150649 is a deficient number, since it is larger than the sum of its proper divisors (1).

31642324150649 is an equidigital number, since it uses as much as digits as its factorization.

31642324150649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3732480, while the sum is 50.

The spelling of 31642324150649 in words is "thirty-one trillion, six hundred forty-two billion, three hundred twenty-four million, one hundred fifty thousand, six hundred forty-nine".