331231023220011 has 4 divisors (see below), whose sum is σ = 441641364293352. Its totient is φ = 220820682146672.

The previous prime is 331231023219937. The next prime is 331231023220033. The reversal of 331231023220011 is 110022320132133.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 331231023220011 - 2²² = 331231019025707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (331231023220061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55205170536666 + ... + 55205170536671.

It is an arithmetic number, because the mean of its divisors is an integer number (110410341073338).

Almost surely, 2^{331231023220011} is an apocalyptic number.

331231023220011 is a deficient number, since it is larger than the sum of its proper divisors (110410341073341).

331231023220011 is a wasteful number, since it uses less digits than its factorization.

331231023220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110410341073340.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 331231023220011 its reverse (110022320132133), we get a palindrome (441253343352144).

The spelling of 331231023220011 in words is "three hundred thirty-one trillion, two hundred thirty-one billion, twenty-three million, two hundred twenty thousand, eleven".