31024412331989 has 2 divisors, whose sum is σ = 31024412331990. Its totient is φ = 31024412331988.

The previous prime is 31024412331977. The next prime is 31024412332007. The reversal of 31024412331989 is 98913321442013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27391176060964 + 3633236271025 = 5233658^2 + 1906105^2 .

It is a cyclic number.

It is not a de Polignac number, because 31024412331989 - 2¹⁶ = 31024412266453 is a prime.

It is a super-2 number, since 2×31024412331989² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31024412331959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15512206165994 + 15512206165995.

It is an arithmetic number, because the mean of its divisors is an integer number (15512206165995).

Almost surely, 2^{31024412331989} is an apocalyptic number.

It is an amenable number.

31024412331989 is a deficient number, since it is larger than the sum of its proper divisors (1).

31024412331989 is an equidigital number, since it uses as much as digits as its factorization.

31024412331989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1119744, while the sum is 50.

The spelling of 31024412331989 in words is "thirty-one trillion, twenty-four billion, four hundred twelve million, three hundred thirty-one thousand, nine hundred eighty-nine".