1030431089 has 2 divisors, whose sum is σ = 1030431090. Its totient is φ = 1030431088.

The previous prime is 1030431037. The next prime is 1030431091. The reversal of 1030431089 is 9801340301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 877166689 + 153264400 = 29617^2 + 12380^2 .

It is an emirp because it is prime and its reverse (9801340301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1030431089 - 2⁸ = 1030430833 is a prime.

Together with 1030431091, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1030631089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515215544 + 515215545.

It is an arithmetic number, because the mean of its divisors is an integer number (515215545).

Almost surely, 2^1030431089 is an apocalyptic number.

It is an amenable number.

1030431089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030431089 is an equidigital number, since it uses as much as digits as its factorization.

1030431089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1030431089 is about 32100.3284874158. The cubic root of 1030431089 is about 1010.0425067886.

The spelling of 1030431089 in words is "one billion, thirty million, four hundred thirty-one thousand, eighty-nine".