31454224289 has 2 divisors, whose sum is σ = 31454224290. Its totient is φ = 31454224288.

The previous prime is 31454224229. The next prime is 31454224297. The reversal of 31454224289 is 98242245413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15987073600 + 15467150689 = 126440^2 + 124367^2 .

It is a cyclic number.

It is not a de Polignac number, because 31454224289 - 2⁸ = 31454224033 is a prime.

It is not a weakly prime, because it can be changed into another prime (31454224229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15727112144 + 15727112145.

It is an arithmetic number, because the mean of its divisors is an integer number (15727112145).

Almost surely, 2^31454224289 is an apocalyptic number.

It is an amenable number.

31454224289 is a deficient number, since it is larger than the sum of its proper divisors (1).

31454224289 is an equidigital number, since it uses as much as digits as its factorization.

31454224289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 552960, while the sum is 44.

The spelling of 31454224289 in words is "thirty-one billion, four hundred fifty-four million, two hundred twenty-four thousand, two hundred eighty-nine".