1013103409 has 2 divisors, whose sum is σ = 1013103410. Its totient is φ = 1013103408.

The previous prime is 1013103391. The next prime is 1013103437. The reversal of 1013103409 is 9043013101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 745453809 + 267649600 = 27303^2 + 16360^2 .

It is a cyclic number.

It is not a de Polignac number, because 1013103409 - 2¹³ = 1013095217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1013103409.

It is not a weakly prime, because it can be changed into another prime (1013103479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506551704 + 506551705.

It is an arithmetic number, because the mean of its divisors is an integer number (506551705).

Almost surely, 2^1013103409 is an apocalyptic number.

It is an amenable number.

1013103409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013103409 is an equidigital number, since it uses as much as digits as its factorization.

1013103409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 1013103409 is about 31829.2853988273. The cubic root of 1013103409 is about 1004.3488629747.

The spelling of 1013103409 in words is "one billion, thirteen million, one hundred three thousand, four hundred nine".