2113131404 has 6 divisors (see below), whose sum is σ = 3697979964. Its totient is φ = 1056565700.

The previous prime is 2113131403. The next prime is 2113131407. The reversal of 2113131404 is 4041313112.

It is a super-2 number, since 2×2113131404² = 8930648661142022432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2113131403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264141422 + ... + 264141429.

It is an arithmetic number, because the mean of its divisors is an integer number (616329994).

Almost surely, 2^2113131404 is an apocalyptic number.

It is an amenable number.

2113131404 is a deficient number, since it is larger than the sum of its proper divisors (1584848560).

2113131404 is a wasteful number, since it uses less digits than its factorization.

2113131404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528282855 (or 528282853 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 2113131404 is about 45968.8090339526. The cubic root of 2113131404 is about 1283.2427957192.

Adding to 2113131404 its reverse (4041313112), we get a palindrome (6154444516).

The spelling of 2113131404 in words is "two billion, one hundred thirteen million, one hundred thirty-one thousand, four hundred four".