2311013313120 has 48 divisors (see below), whose sum is σ = 7279691937840. Its totient is φ = 616270216704.

The previous prime is 2311013313113. The next prime is 2311013313121. The reversal of 2311013313120 is 213133101132.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311013313121) 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, 2407305055 + ... + 2407306014.

It is an arithmetic number, because the mean of its divisors is an integer number (151660248705).

Almost surely, 2^{2311013313120} is an apocalyptic number.

2311013313120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2311013313120 is an abundant number, since it is smaller than the sum of its proper divisors (4968678624720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2311013313120 is a wasteful number, since it uses less digits than its factorization.

2311013313120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4814611087 (or 4814611079 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 2311013313120 its reverse (213133101132), we get a palindrome (2524146414252).

The spelling of 2311013313120 in words is "two trillion, three hundred eleven billion, thirteen million, three hundred thirteen thousand, one hundred twenty".