1031354609 has 2 divisors, whose sum is σ = 1031354610. Its totient is φ = 1031354608.

The previous prime is 1031354603. The next prime is 1031354629. The reversal of 1031354609 is 9064531301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 517335025 + 514019584 = 22745^2 + 22672^2 .

It is a cyclic number.

It is not a de Polignac number, because 1031354609 - 2⁸ = 1031354353 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1031354603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515677304 + 515677305.

It is an arithmetic number, because the mean of its divisors is an integer number (515677305).

Almost surely, 2^1031354609 is an apocalyptic number.

It is an amenable number.

1031354609 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031354609 is an equidigital number, since it uses as much as digits as its factorization.

1031354609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 1031354609 is about 32114.7101652810. The cubic root of 1031354609 is about 1010.3441656229.

The spelling of 1031354609 in words is "one billion, thirty-one million, three hundred fifty-four thousand, six hundred nine".