2311213023120 has 40 divisors (see below), whose sum is σ = 7164760372416. Its totient is φ = 616323472768.

The previous prime is 2311213023101. The next prime is 2311213023143. The reversal of 2311213023120 is 213203121132.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4815026892 + ... + 4815027371.

Almost surely, 2^{2311213023120} is an apocalyptic number.

2311213023120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2311213023120 is an abundant number, since it is smaller than the sum of its proper divisors (4853547349296).

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

2311213023120 is a wasteful number, since it uses less digits than its factorization.

2311213023120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9630054279 (or 9630054273 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2311213023120 its reverse (213203121132), we get a palindrome (2524416144252).

The spelling of 2311213023120 in words is "two trillion, three hundred eleven billion, two hundred thirteen million, twenty-three thousand, one hundred twenty".