31462355489 has 2 divisors, whose sum is σ = 31462355490. Its totient is φ = 31462355488.

The previous prime is 31462355423. The next prime is 31462355501. The reversal of 31462355489 is 98455326413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26863210000 + 4599145489 = 163900^2 + 67817^2 .

It is a cyclic number.

It is not a de Polignac number, because 31462355489 - 2²⁰ = 31461306913 is a prime.

It is not a weakly prime, because it can be changed into another prime (31462355789) 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, 15731177744 + 15731177745.

It is an arithmetic number, because the mean of its divisors is an integer number (15731177745).

Almost surely, 2^31462355489 is an apocalyptic number.

It is an amenable number.

31462355489 is a deficient number, since it is larger than the sum of its proper divisors (1).

31462355489 is an equidigital number, since it uses as much as digits as its factorization.

31462355489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3110400, while the sum is 50.

The spelling of 31462355489 in words is "thirty-one billion, four hundred sixty-two million, three hundred fifty-five thousand, four hundred eighty-nine".