31424230042369 has 2 divisors, whose sum is σ = 31424230042370. Its totient is φ = 31424230042368.

The previous prime is 31424230042253. The next prime is 31424230042399. The reversal of 31424230042369 is 96324003242413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18550938126400 + 12873291915969 = 4307080^2 + 3587937^2 .

It is a cyclic number.

It is not a de Polignac number, because 31424230042369 - 2¹⁷ = 31424229911297 is a prime.

It is a super-2 number, since 2×31424230042369² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (31424230042399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15712115021184 + 15712115021185.

It is an arithmetic number, because the mean of its divisors is an integer number (15712115021185).

Almost surely, 2^{31424230042369} is an apocalyptic number.

It is an amenable number.

31424230042369 is a deficient number, since it is larger than the sum of its proper divisors (1).

31424230042369 is an equidigital number, since it uses as much as digits as its factorization.

31424230042369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496, while the sum is 43.

The spelling of 31424230042369 in words is "thirty-one trillion, four hundred twenty-four billion, two hundred thirty million, forty-two thousand, three hundred sixty-nine".