1604314231 has 16 divisors (see below), whose sum is σ = 1748202400. Its totient is φ = 1463453568.

The previous prime is 1604314207. The next prime is 1604314273. The reversal of 1604314231 is 1324134061.

It is a cyclic number.

It is not a de Polignac number, because 1604314231 - 2⁹ = 1604313719 is a prime.

It is a super-2 number, since 2×1604314231² = 5147648303578242722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1604314196 and 1604314205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1604314631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 411865 + ... + 415741.

It is an arithmetic number, because the mean of its divisors is an integer number (109262650).

Almost surely, 2^1604314231 is an apocalyptic number.

1604314231 is a deficient number, since it is larger than the sum of its proper divisors (143888169).

1604314231 is a wasteful number, since it uses less digits than its factorization.

1604314231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4258.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1604314231 is about 40053.8915837151. The cubic root of 1604314231 is about 1170.6573925091.

Adding to 1604314231 its reverse (1324134061), we get a palindrome (2928448292).

The spelling of 1604314231 in words is "one billion, six hundred four million, three hundred fourteen thousand, two hundred thirty-one".