331122113131013 has 4 divisors (see below), whose sum is σ = 331122677749728. Its totient is φ = 331121548512300.

The previous prime is 331122113130997. The next prime is 331122113131093. The reversal of 331122113131013 is 310131311221133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 331122113131013 - 2⁴ = 331122113130997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331122113131093) 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, 281428763 + ... + 282602888.

It is an arithmetic number, because the mean of its divisors is an integer number (82780669437432).

Almost surely, 2^{331122113131013} is an apocalyptic number.

It is an amenable number.

331122113131013 is a deficient number, since it is larger than the sum of its proper divisors (564618715).

331122113131013 is an equidigital number, since it uses as much as digits as its factorization.

331122113131013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564618714.

The product of its (nonzero) digits is 972, while the sum is 26.

Adding to 331122113131013 its reverse (310131311221133), we get a palindrome (641253424352146).

The spelling of 331122113131013 in words is "three hundred thirty-one trillion, one hundred twenty-two billion, one hundred thirteen million, one hundred thirty-one thousand, thirteen".