3121120230030 has 96 divisors (see below), whose sum is σ = 8852947260768. Its totient is φ = 756608256000.

The previous prime is 3121120230023. The next prime is 3121120230047. The reversal of 3121120230030 is 300320211213.

3121120230030 is a `hidden beast` number, since 312 + 1 + 1 + 20 + 2 + 300 + 30 = 666.

3121120230030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3121120230030² (a number of 26 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 3121120229985 and 3121120230012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55309830 + ... + 55366230.

It is an arithmetic number, because the mean of its divisors is an integer number (92218200633).

Almost surely, 2^{3121120230030} is an apocalyptic number.

3121120230030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3121120230030 is an abundant number, since it is smaller than the sum of its proper divisors (5731827030738).

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

3121120230030 is a wasteful number, since it uses less digits than its factorization.

3121120230030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112322 (or 112319 counting only the distinct ones).

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

Adding to 3121120230030 its reverse (300320211213), we get a palindrome (3421440441243).

The spelling of 3121120230030 in words is "three trillion, one hundred twenty-one billion, one hundred twenty million, two hundred thirty thousand, thirty".