231103021204 has 36 divisors (see below), whose sum is σ = 444601563700. Its totient is φ = 105032062080.

The previous prime is 231103021199. The next prime is 231103021211. The reversal of 231103021204 is 402120301132.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14291724304 + 216811296900 = 119548^2 + 465630^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3885562 + ... + 3944590.

Almost surely, 2^231103021204 is an apocalyptic number.

It is an amenable number.

231103021204 is a deficient number, since it is larger than the sum of its proper divisors (213498542496).

231103021204 is a wasteful number, since it uses less digits than its factorization.

231103021204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67144 (or 67131 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 231103021204 its reverse (402120301132), we get a palindrome (633223322336).

The spelling of 231103021204 in words is "two hundred thirty-one billion, one hundred three million, twenty-one thousand, two hundred four".