1030031161 has 2 divisors, whose sum is σ = 1030031162. Its totient is φ = 1030031160.

The previous prime is 1030031147. The next prime is 1030031227. The reversal of 1030031161 is 1611300301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 679592761 + 350438400 = 26069^2 + 18720^2 .

It is a cyclic number.

It is not a de Polignac number, because 1030031161 - 2⁵ = 1030031129 is a prime.

It is not a weakly prime, because it can be changed into another prime (1030031131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515015580 + 515015581.

It is an arithmetic number, because the mean of its divisors is an integer number (515015581).

Almost surely, 2^1030031161 is an apocalyptic number.

It is an amenable number.

1030031161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030031161 is an equidigital number, since it uses as much as digits as its factorization.

1030031161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1030031161 is about 32094.0985385164. The cubic root of 1030031161 is about 1009.9118182660.

Adding to 1030031161 its reverse (1611300301), we get a palindrome (2641331462).

The spelling of 1030031161 in words is "one billion, thirty million, thirty-one thousand, one hundred sixty-one".