1031231012404 has 6 divisors (see below), whose sum is σ = 1804654271714. Its totient is φ = 515615506200.

The previous prime is 1031231012377. The next prime is 1031231012443. The reversal of 1031231012404 is 4042101321301.

It can be written as a sum of positive squares in only one way, i.e., 1021110250000 + 10120762404 = 1010500^2 + 100602^2 .

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, 128903876547 + ... + 128903876554.

Almost surely, 2^{1031231012404} is an apocalyptic number.

It is an amenable number.

1031231012404 is a deficient number, since it is larger than the sum of its proper divisors (773423259310).

1031231012404 is a wasteful number, since it uses less digits than its factorization.

1031231012404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257807753105 (or 257807753103 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1031231012404 its reverse (4042101321301), we get a palindrome (5073332333705).

The spelling of 1031231012404 in words is "one trillion, thirty-one billion, two hundred thirty-one million, twelve thousand, four hundred four".