2231320004 has 6 divisors (see below), whose sum is σ = 3904810014. Its totient is φ = 1115660000.

The previous prime is 2231319941. The next prime is 2231320019. The reversal of 2231320004 is 4000231322.

It can be written as a sum of positive squares in only one way, i.e., 2223311104 + 8008900 = 47152^2 + 2830^2 .

It is a super-3 number, since 3×2231320004³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278914997 + ... + 278915004.

It is an arithmetic number, because the mean of its divisors is an integer number (650801669).

Almost surely, 2^2231320004 is an apocalyptic number.

It is an amenable number.

2231320004 is a deficient number, since it is larger than the sum of its proper divisors (1673490010).

2231320004 is a wasteful number, since it uses less digits than its factorization.

2231320004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557830005 (or 557830003 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2231320004 is about 47236.8500643301. The cubic root of 2231320004 is about 1306.7342862353.

Adding to 2231320004 its reverse (4000231322), we get a palindrome (6231551326).

The spelling of 2231320004 in words is "two billion, two hundred thirty-one million, three hundred twenty thousand, four".