2016431204 has 6 divisors (see below), whose sum is σ = 3528754614. Its totient is φ = 1008215600.

The previous prime is 2016431201. The next prime is 2016431233. The reversal of 2016431204 is 4021346102.

It can be written as a sum of positive squares in only one way, i.e., 1450086400 + 566344804 = 38080^2 + 23798^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2016431204.

It is not an unprimeable number, because it can be changed into a prime (2016431201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252053897 + ... + 252053904.

It is an arithmetic number, because the mean of its divisors is an integer number (588125769).

Almost surely, 2^2016431204 is an apocalyptic number.

It is an amenable number.

2016431204 is a deficient number, since it is larger than the sum of its proper divisors (1512323410).

2016431204 is a wasteful number, since it uses less digits than its factorization.

2016431204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504107805 (or 504107803 counting only the distinct ones).

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

The square root of 2016431204 is about 44904.6902227373. The cubic root of 2016431204 is about 1263.3619805551.

Adding to 2016431204 its reverse (4021346102), we get a palindrome (6037777306).

The spelling of 2016431204 in words is "two billion, sixteen million, four hundred thirty-one thousand, two hundred four".