2143331404 has 24 divisors (see below), whose sum is σ = 3955864640. Its totient is φ = 1013302224.

The previous prime is 2143331341. The next prime is 2143331417. The reversal of 2143331404 is 4041333412.

It is a super-2 number, since 2×2143331404² = 9187739014745222432, which contains 22 as substring.

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, 12787 + ... + 66709.

Almost surely, 2^2143331404 is an apocalyptic number.

It is an amenable number.

2143331404 is a deficient number, since it is larger than the sum of its proper divisors (1812533236).

2143331404 is a wasteful number, since it uses less digits than its factorization.

2143331404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54469 (or 54467 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 2143331404 is about 46296.1273110397. The cubic root of 2143331404 is about 1289.3270941169.

Adding to 2143331404 its reverse (4041333412), we get a palindrome (6184664816).

The spelling of 2143331404 in words is "two billion, one hundred forty-three million, three hundred thirty-one thousand, four hundred four".