2102431204 has 6 divisors (see below), whose sum is σ = 3679254614. Its totient is φ = 1051215600.

The previous prime is 2102431153. The next prime is 2102431229. The reversal of 2102431204 is 4021342012.

It can be written as a sum of positive squares in only one way, i.e., 1953640000 + 148791204 = 44200^2 + 12198^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262803897 + ... + 262803904.

Almost surely, 2^2102431204 is an apocalyptic number.

It is an amenable number.

2102431204 is a deficient number, since it is larger than the sum of its proper divisors (1576823410).

2102431204 is a wasteful number, since it uses less digits than its factorization.

2102431204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525607805 (or 525607803 counting only the distinct ones).

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

The square root of 2102431204 is about 45852.2758868085. The cubic root of 2102431204 is about 1281.0731568132.

Adding to 2102431204 its reverse (4021342012), we get a palindrome (6123773216).

The spelling of 2102431204 in words is "two billion, one hundred two million, four hundred thirty-one thousand, two hundred four".