2113404032 has 16 divisors (see below), whose sum is σ = 4210297350. Its totient is φ = 1056701952.

The previous prime is 2113404031. The next prime is 2113404071. The reversal of 2113404032 is 2304043112.

It can be written as a sum of positive squares in only one way, i.e., 1601920576 + 511483456 = 40024^2 + 22616^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 2113403995 and 2113404013.

It is not an unprimeable number, because it can be changed into a prime (2113404031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8255357 + ... + 8255612.

Almost surely, 2^2113404032 is an apocalyptic number.

It is an amenable number.

2113404032 is a deficient number, since it is larger than the sum of its proper divisors (2096893318).

2113404032 is an equidigital number, since it uses as much as digits as its factorization.

2113404032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16510983 (or 16510971 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2113404032 is about 45971.7742968444. The cubic root of 2113404032 is about 1283.2979796786.

Adding to 2113404032 its reverse (2304043112), we get a palindrome (4417447144).

The spelling of 2113404032 in words is "two billion, one hundred thirteen million, four hundred four thousand, thirty-two".