3213234121 has 4 divisors (see below), whose sum is σ = 3213511632. Its totient is φ = 3212956612.

The previous prime is 3213234097. The next prime is 3213234131. The reversal of 3213234121 is 1214323123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3213234121 - 2⁷ = 3213233993 is a prime.

It is a super-3 number, since 3×3213234121³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3213234092 and 3213234101.

It is not an unprimeable number, because it can be changed into a prime (3213234131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120595 + ... + 144808.

It is an arithmetic number, because the mean of its divisors is an integer number (803377908).

Almost surely, 2^3213234121 is an apocalyptic number.

It is an amenable number.

3213234121 is a deficient number, since it is larger than the sum of its proper divisors (277511).

3213234121 is a wasteful number, since it uses less digits than its factorization.

3213234121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277510.

The product of its digits is 864, while the sum is 22.

The square root of 3213234121 is about 56685.3960116713. The cubic root of 3213234121 is about 1475.6412603445.

Adding to 3213234121 its reverse (1214323123), we get a palindrome (4427557244).

The spelling of 3213234121 in words is "three billion, two hundred thirteen million, two hundred thirty-four thousand, one hundred twenty-one".