1009735231 has 2 divisors, whose sum is σ = 1009735232. Its totient is φ = 1009735230.

The previous prime is 1009735219. The next prime is 1009735283. The reversal of 1009735231 is 1325379001.

It is a weak prime.

It is an emirp because it is prime and its reverse (1325379001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1009735231 is a prime.

It is a super-2 number, since 2×1009735231² = 2039130473445246722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1009735193 and 1009735202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1009735931) 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, 504867615 + 504867616.

It is an arithmetic number, because the mean of its divisors is an integer number (504867616).

Almost surely, 2^1009735231 is an apocalyptic number.

1009735231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1009735231 is an equidigital number, since it uses as much as digits as its factorization.

1009735231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 1009735231 is about 31776.3313017724. The cubic root of 1009735231 is about 1003.2346030622.

The spelling of 1009735231 in words is "one billion, nine million, seven hundred thirty-five thousand, two hundred thirty-one".