3401311421 has 2 divisors, whose sum is σ = 3401311422. Its totient is φ = 3401311420.

The previous prime is 3401311393. The next prime is 3401311427. The reversal of 3401311421 is 1241131043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2599572196 + 801739225 = 50986^2 + 28315^2 .

It is a cyclic number.

It is not a de Polignac number, because 3401311421 - 2²² = 3397117117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3401311393 and 3401311402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3401311427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1700655710 + 1700655711.

It is an arithmetic number, because the mean of its divisors is an integer number (1700655711).

Almost surely, 2^3401311421 is an apocalyptic number.

It is an amenable number.

3401311421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3401311421 is an equidigital number, since it uses as much as digits as its factorization.

3401311421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 3401311421 is about 58320.7632065974. The cubic root of 3401311421 is about 1503.8879023998.

Adding to 3401311421 its reverse (1241131043), we get a palindrome (4642442464).

The spelling of 3401311421 in words is "three billion, four hundred one million, three hundred eleven thousand, four hundred twenty-one".