331131320021123 has 8 divisors (see below), whose sum is σ = 350611348019040. Its totient is φ = 311651482584960.

The previous prime is 331131320021107. The next prime is 331131320021137. The reversal of 331131320021123 is 321120023131133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 331131320021123 - 2⁴ = 331131320021107 is a prime.

It is a super-2 number, since 2×331131320021123² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331131320021092 and 331131320021101.

It is not an unprimeable number, because it can be changed into a prime (331131320021423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44055188 + ... + 51020801.

It is an arithmetic number, because the mean of its divisors is an integer number (43826418502380).

Almost surely, 2^{331131320021123} is an apocalyptic number.

331131320021123 is a deficient number, since it is larger than the sum of its proper divisors (19480027997917).

331131320021123 is a wasteful number, since it uses less digits than its factorization.

331131320021123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95280877.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 331131320021123 its reverse (321120023131133), we get a palindrome (652251343152256).

The spelling of 331131320021123 in words is "three hundred thirty-one trillion, one hundred thirty-one billion, three hundred twenty million, twenty-one thousand, one hundred twenty-three".