3121321230 has 160 divisors (see below), whose sum is σ = 8641188864. Its totient is φ = 808035264.

The previous prime is 3121321223. The next prime is 3121321249. The reversal of 3121321230 is 321231213.

3121321230 is a `hidden beast` number, since 312 + 1 + 321 + 2 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 6205159 + ... + 6205661.

Almost surely, 2^3121321230 is an apocalyptic number.

3121321230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3121321230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4320594432).

3121321230 is an abundant number, since it is smaller than the sum of its proper divisors (5519867634).

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

3121321230 is a wasteful number, since it uses less digits than its factorization.

3121321230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732 (or 723 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 3121321230 is about 55868.7858289403. The cubic root of 3121321230 is about 1461.4349484406.

Adding to 3121321230 its reverse (321231213), we get a palindrome (3442552443).

The spelling of 3121321230 in words is "three billion, one hundred twenty-one million, three hundred twenty-one thousand, two hundred thirty".