3121421030 has 48 divisors (see below), whose sum is σ = 7038647280. Its totient is φ = 987876288.

The previous prime is 3121421027. The next prime is 3121421063. The reversal of 3121421030 is 301241213.

3121421030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 238640 + ... + 251379.

It is an arithmetic number, because the mean of its divisors is an integer number (146638485).

Almost surely, 2^3121421030 is an apocalyptic number.

3121421030 is an abundant number, since it is smaller than the sum of its proper divisors (3917226250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3121421030 is a wasteful number, since it uses less digits than its factorization.

3121421030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490053 (or 490046 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 3121421030 is about 55869.6789860117. The cubic root of 3121421030 is about 1461.4505240727.

Adding to 3121421030 its reverse (301241213), we get a palindrome (3422662243).

The spelling of 3121421030 in words is "three billion, one hundred twenty-one million, four hundred twenty-one thousand, thirty".