3403231021 has 2 divisors, whose sum is σ = 3403231022. Its totient is φ = 3403231020.

The previous prime is 3403231009. The next prime is 3403231049. The reversal of 3403231021 is 1201323043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2874460996 + 528770025 = 53614^2 + 22995^2 .

It is an emirp because it is prime and its reverse (1201323043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3403231021 - 2²³ = 3394842413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3403231021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3403231061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1701615510 + 1701615511.

It is an arithmetic number, because the mean of its divisors is an integer number (1701615511).

Almost surely, 2^3403231021 is an apocalyptic number.

It is an amenable number.

3403231021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3403231021 is an equidigital number, since it uses as much as digits as its factorization.

3403231021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3403231021 is about 58337.2181458801. The cubic root of 3403231021 is about 1504.1707658744.

Adding to 3403231021 its reverse (1201323043), we get a palindrome (4604554064).

The spelling of 3403231021 in words is "three billion, four hundred three million, two hundred thirty-one thousand, twenty-one".