331321020011 has 16 divisors (see below), whose sum is σ = 344639750400. Its totient is φ = 318130932000.

The previous prime is 331321019959. The next prime is 331321020029. The reversal of 331321020011 is 110020123133.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331321020011 is a prime.

It is a super-2 number, since 2×331321020011² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331321020061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8050436 + ... + 8091486.

It is an arithmetic number, because the mean of its divisors is an integer number (21539984400).

Almost surely, 2^331321020011 is an apocalyptic number.

331321020011 is a deficient number, since it is larger than the sum of its proper divisors (13318730389).

331321020011 is a wasteful number, since it uses less digits than its factorization.

331321020011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42610.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 331321020011 its reverse (110020123133), we get a palindrome (441341143144).

The spelling of 331321020011 in words is "three hundred thirty-one billion, three hundred twenty-one million, twenty thousand, eleven".