3401031209 has 2 divisors, whose sum is σ = 3401031210. Its totient is φ = 3401031208.

The previous prime is 3401031197. The next prime is 3401031247. The reversal of 3401031209 is 9021301043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2869959184 + 531072025 = 53572^2 + 23045^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3401031209 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 (3401031269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1700515604 + 1700515605.

It is an arithmetic number, because the mean of its divisors is an integer number (1700515605).

Almost surely, 2^3401031209 is an apocalyptic number.

It is an amenable number.

3401031209 is a deficient number, since it is larger than the sum of its proper divisors (1).

3401031209 is an equidigital number, since it uses as much as digits as its factorization.

3401031209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 3401031209 is about 58318.3608223002. The cubic root of 3401031209 is about 1503.8466027404.

The spelling of 3401031209 in words is "three billion, four hundred one million, thirty-one thousand, two hundred nine".