3401033021 has 4 divisors (see below), whose sum is σ = 3402250044. Its totient is φ = 3399816000.

The previous prime is 3401033011. The next prime is 3401033047. The reversal of 3401033021 is 1203301043.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1203301043 = 7 ⋅171900149.

It can be written as a sum of positive squares in 2 ways, for example, as 1059828025 + 2341204996 = 32555^2 + 48386^2 .

It is a cyclic number.

It is not a de Polignac number, because 3401033021 - 2²⁶ = 3333924157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3401033011) 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 in 3 ways as a sum of consecutive naturals, for example, 604310 + ... + 609911.

It is an arithmetic number, because the mean of its divisors is an integer number (850562511).

Almost surely, 2^3401033021 is an apocalyptic number.

It is an amenable number.

3401033021 is a deficient number, since it is larger than the sum of its proper divisors (1217023).

3401033021 is a wasteful number, since it uses less digits than its factorization.

3401033021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217022.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 3401033021 is about 58318.3763577142. The cubic root of 3401033021 is about 1503.8468698132.

Adding to 3401033021 its reverse (1203301043), we get a palindrome (4604334064).

The spelling of 3401033021 in words is "three billion, four hundred one million, thirty-three thousand, twenty-one".