2113031120 has 40 divisors (see below), whose sum is σ = 4925830560. Its totient is φ = 842970240.

The previous prime is 2113031111. The next prime is 2113031131. The reversal of 2113031120 is 211303112.

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

It is a junction number, because it is equal to n+sod(n) for n = 2113031095 and 2113031104.

It is a congruent number.

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, 4526 + ... + 65165.

It is an arithmetic number, because the mean of its divisors is an integer number (123145764).

Almost surely, 2^2113031120 is an apocalyptic number.

2113031120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2113031120 is an abundant number, since it is smaller than the sum of its proper divisors (2812799440).

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

2113031120 is a wasteful number, since it uses less digits than its factorization.

2113031120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70083 (or 70077 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2113031120 is about 45967.7182379113. The cubic root of 2113031120 is about 1283.2224955530. Note that the first 3 decimals are identical.

Adding to 2113031120 its reverse (211303112), we get a palindrome (2324334232).

The spelling of 2113031120 in words is "two billion, one hundred thirteen million, thirty-one thousand, one hundred twenty".