331331013113 has 4 divisors (see below), whose sum is σ = 331353639588. Its totient is φ = 331308386640.

The previous prime is 331331013029. The next prime is 331331013137. The reversal of 331331013113 is 311310133133.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 311310133133 = 29 ⋅10734832177.

It can be written as a sum of positive squares in 2 ways, for example, as 281803845904 + 49527167209 = 530852^2 + 222547^2 .

It is a cyclic number.

It is not a de Polignac number, because 331331013113 - 2¹² = 331331009017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331331010113) 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, 11291258 + ... + 11320563.

It is an arithmetic number, because the mean of its divisors is an integer number (82838409897).

Almost surely, 2^331331013113 is an apocalyptic number.

It is an amenable number.

331331013113 is a deficient number, since it is larger than the sum of its proper divisors (22626475).

331331013113 is a wasteful number, since it uses less digits than its factorization.

331331013113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22626474.

The product of its (nonzero) digits is 729, while the sum is 23.

Adding to 331331013113 its reverse (311310133133), we get a palindrome (642641146246).

The spelling of 331331013113 in words is "three hundred thirty-one billion, three hundred thirty-one million, thirteen thousand, one hundred thirteen".