31484482789 has 2 divisors, whose sum is σ = 31484482790. Its totient is φ = 31484482788.

The previous prime is 31484482781. The next prime is 31484482847. The reversal of 31484482789 is 98728448413.

It is an a-pointer prime, because the next prime (31484482847) can be obtained adding 31484482789 to its sum of digits (58).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30784457025 + 700025764 = 175455^2 + 26458^2 .

It is a cyclic number.

It is not a de Polignac number, because 31484482789 - 2³ = 31484482781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31484482781) 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, 15742241394 + 15742241395.

It is an arithmetic number, because the mean of its divisors is an integer number (15742241395).

Almost surely, 2^31484482789 is an apocalyptic number.

It is an amenable number.

31484482789 is a deficient number, since it is larger than the sum of its proper divisors (1).

31484482789 is an equidigital number, since it uses as much as digits as its factorization.

31484482789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12386304, while the sum is 58.

The spelling of 31484482789 in words is "thirty-one billion, four hundred eighty-four million, four hundred eighty-two thousand, seven hundred eighty-nine".