2143411304 has 8 divisors (see below), whose sum is σ = 4018896210. Its totient is φ = 1071705648.

The previous prime is 2143411301. The next prime is 2143411307. The reversal of 2143411304 is 4031143412.

It is an interprime number because it is at equal distance from previous prime (2143411301) and next prime (2143411307).

It can be written as a sum of positive squares in only one way, i.e., 1398012100 + 745399204 = 37390^2 + 27302^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2143411304² = 9188424036229960832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2143411304.

It is not an unprimeable number, because it can be changed into a prime (2143411301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133963199 + ... + 133963214.

Almost surely, 2^2143411304 is an apocalyptic number.

It is an amenable number.

2143411304 is a deficient number, since it is larger than the sum of its proper divisors (1875484906).

2143411304 is a wasteful number, since it uses less digits than its factorization.

2143411304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267926419 (or 267926415 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 2143411304 is about 46296.9902261475. The cubic root of 2143411304 is about 1289.3431152751.

Adding to 2143411304 its reverse (4031143412), we get a palindrome (6174554716).

The spelling of 2143411304 in words is "two billion, one hundred forty-three million, four hundred eleven thousand, three hundred four".