2331111332113 has 4 divisors (see below), whose sum is σ = 2331142184448. Its totient is φ = 2331080479780.

The previous prime is 2331111332087. The next prime is 2331111332117. The reversal of 2331111332113 is 3112331111332.

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 2331111332113 - 2¹³ = 2331111323921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2331111332117) 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, 15312553 + ... + 15464038.

It is an arithmetic number, because the mean of its divisors is an integer number (582785546112).

Almost surely, 2^{2331111332113} is an apocalyptic number.

It is an amenable number.

2331111332113 is a deficient number, since it is larger than the sum of its proper divisors (30852335).

2331111332113 is an equidigital number, since it uses as much as digits as its factorization.

2331111332113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30852334.

The product of its digits is 972, while the sum is 25.

Adding to 2331111332113 its reverse (3112331111332), we get a palindrome (5443442443445).

The spelling of 2331111332113 in words is "two trillion, three hundred thirty-one billion, one hundred eleven million, three hundred thirty-two thousand, one hundred thirteen".