331131120221111 has 8 divisors (see below), whose sum is σ = 378461385526560. Its totient is φ = 283807309805568.

The previous prime is 331131120221087. The next prime is 331131120221113. The reversal of 331131120221111 is 111122021131133.

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 331131120221111 - 2²² = 331131116026807 is a prime.

It is a super-4 number, since 4×331131120221111⁴ (a number of 59 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331131120221113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1613612546 + ... + 1613817743.

It is an arithmetic number, because the mean of its divisors is an integer number (47307673190820).

Almost surely, 2^{331131120221111} is an apocalyptic number.

331131120221111 is a deficient number, since it is larger than the sum of its proper divisors (47330265305449).

331131120221111 is a wasteful number, since it uses less digits than its factorization.

331131120221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3227444953.

The product of its (nonzero) digits is 216, while the sum is 23.

Adding to 331131120221111 its reverse (111122021131133), we get a palindrome (442253141352244).

The spelling of 331131120221111 in words is "three hundred thirty-one trillion, one hundred thirty-one billion, one hundred twenty million, two hundred twenty-one thousand, one hundred eleven".