31488603089 has 2 divisors, whose sum is σ = 31488603090. Its totient is φ = 31488603088.

The previous prime is 31488603067. The next prime is 31488603101. The reversal of 31488603089 is 98030688413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31326168064 + 162435025 = 176992^2 + 12745^2 .

It is a cyclic number.

It is not a de Polignac number, because 31488603089 - 2²⁴ = 31471825873 is a prime.

It is not a weakly prime, because it can be changed into another prime (31488603389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15744301544 + 15744301545.

It is an arithmetic number, because the mean of its divisors is an integer number (15744301545).

Almost surely, 2^31488603089 is an apocalyptic number.

It is an amenable number.

31488603089 is a deficient number, since it is larger than the sum of its proper divisors (1).

31488603089 is an equidigital number, since it uses as much as digits as its factorization.

31488603089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 995328, while the sum is 50.

The spelling of 31488603089 in words is "thirty-one billion, four hundred eighty-eight million, six hundred three thousand, eighty-nine".