2031404212 has 6 divisors (see below), whose sum is σ = 3554957378. Its totient is φ = 1015702104.

The previous prime is 2031404203. The next prime is 2031404227. The reversal of 2031404212 is 2124041302.

It can be written as a sum of positive squares in only one way, i.e., 1687895056 + 343509156 = 41084^2 + 18534^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2031404212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253925523 + ... + 253925530.

Almost surely, 2^2031404212 is an apocalyptic number.

It is an amenable number.

2031404212 is a deficient number, since it is larger than the sum of its proper divisors (1523553166).

2031404212 is a wasteful number, since it uses less digits than its factorization.

2031404212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507851057 (or 507851055 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2031404212 is about 45071.1017393629. The cubic root of 2031404212 is about 1266.4813034694.

Adding to 2031404212 its reverse (2124041302), we get a palindrome (4155445514).

The spelling of 2031404212 in words is "two billion, thirty-one million, four hundred four thousand, two hundred twelve".