1010343391 has 2 divisors, whose sum is σ = 1010343392. Its totient is φ = 1010343390.

The previous prime is 1010343343. The next prime is 1010343401. The reversal of 1010343391 is 1933430101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1010343391 - 2⁷ = 1010343263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010343311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505171695 + 505171696.

It is an arithmetic number, because the mean of its divisors is an integer number (505171696).

Almost surely, 2^1010343391 is an apocalyptic number.

1010343391 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010343391 is an equidigital number, since it uses as much as digits as its factorization.

1010343391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 1010343391 is about 31785.8992479370. The cubic root of 1010343391 is about 1003.4359775367.

Adding to 1010343391 its reverse (1933430101), we get a palindrome (2943773492).

The spelling of 1010343391 in words is "one billion, ten million, three hundred forty-three thousand, three hundred ninety-one".