3121211311230 has 32 divisors (see below), whose sum is σ = 7491753164448. Its totient is φ = 832229014400.

The previous prime is 3121211311223. The next prime is 3121211311243. The reversal of 3121211311230 is 321131121213.

It is a super-2 number, since 2×3121211311230² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3121211311197 and 3121211311206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5604861 + ... + 6136520.

It is an arithmetic number, because the mean of its divisors is an integer number (234117286389).

Almost surely, 2^{3121211311230} is an apocalyptic number.

3121211311230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3121211311230 is an abundant number, since it is smaller than the sum of its proper divisors (4370541853218).

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

3121211311230 is a wasteful number, since it uses less digits than its factorization.

3121211311230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11750252.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 3121211311230 its reverse (321131121213), we get a palindrome (3442342432443).

The spelling of 3121211311230 in words is "three trillion, one hundred twenty-one billion, two hundred eleven million, three hundred eleven thousand, two hundred thirty".