331131020011 has 8 divisors (see below), whose sum is σ = 363658230000. Its totient is φ = 299007875040.

The previous prime is 331131020009. The next prime is 331131020029. The reversal of 331131020011 is 110020131133.

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 331131020011 - 2¹ = 331131020009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331131020411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101014536 + ... + 101017813.

It is an arithmetic number, because the mean of its divisors is an integer number (45457278750).

Almost surely, 2^331131020011 is an apocalyptic number.

331131020011 is a deficient number, since it is larger than the sum of its proper divisors (32527209989).

331131020011 is a wasteful number, since it uses less digits than its factorization.

331131020011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202032509.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 331131020011 its reverse (110020131133), we get a palindrome (441151151144).

The spelling of 331131020011 in words is "three hundred thirty-one billion, one hundred thirty-one million, twenty thousand, eleven".