331220130321123 has 12 divisors (see below), whose sum is σ = 478915780171920. Its totient is φ = 220588788041136.

The previous prime is 331220130321061. The next prime is 331220130321131. The reversal of 331220130321123 is 321123031022133.

331220130321123 is a `hidden beast` number, since 3 + 3 + 12 + 201 + 3 + 0 + 321 + 123 = 666.

It is not a de Polignac number, because 331220130321123 - 2⁴⁴ = 313627944276707 is a prime.

It is a super-2 number, since 2×331220130321123² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (331220130321323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18719338408 + ... + 18719356101.

It is an arithmetic number, because the mean of its divisors is an integer number (39909648347660).

Almost surely, 2^{331220130321123} is an apocalyptic number.

331220130321123 is a deficient number, since it is larger than the sum of its proper divisors (147695649850797).

331220130321123 is a wasteful number, since it uses less digits than its factorization.

331220130321123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37438695498 (or 37438695495 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 331220130321123 its reverse (321123031022133), we get a palindrome (652343161343256).

The spelling of 331220130321123 in words is "three hundred thirty-one trillion, two hundred twenty billion, one hundred thirty million, three hundred twenty-one thousand, one hundred twenty-three".