3123514421 has 4 divisors (see below), whose sum is σ = 3124423500. Its totient is φ = 3122605344.

The previous prime is 3123514417. The next prime is 3123514423. The reversal of 3123514421 is 1244153213.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 676728196 + 2446786225 = 26014^2 + 49465^2 .

It is a cyclic number.

It is not a de Polignac number, because 3123514421 - 2² = 3123514417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123514423) 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, 449366 + ... + 456263.

It is an arithmetic number, because the mean of its divisors is an integer number (781105875).

Almost surely, 2^3123514421 is an apocalyptic number.

It is an amenable number.

3123514421 is a deficient number, since it is larger than the sum of its proper divisors (909079).

3123514421 is an equidigital number, since it uses as much as digits as its factorization.

3123514421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909078.

The product of its digits is 2880, while the sum is 26.

The square root of 3123514421 is about 55888.4104354382. The cubic root of 3123514421 is about 1461.7771598870. Note that the first 3 decimals are identical.

Adding to 3123514421 its reverse (1244153213), we get a palindrome (4367667634).

The spelling of 3123514421 in words is "three billion, one hundred twenty-three million, five hundred fourteen thousand, four hundred twenty-one".