1231003011004 has 12 divisors (see below), whose sum is σ = 2319967213144. Its totient is φ = 568155235824.

The previous prime is 1231003010987. The next prime is 1231003011031. The reversal of 1231003011004 is 4001103001321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11836567362 + ... + 11836567465.

Almost surely, 2^{1231003011004} is an apocalyptic number.

It is an amenable number.

1231003011004 is a deficient number, since it is larger than the sum of its proper divisors (1088964202140).

1231003011004 is a wasteful number, since it uses less digits than its factorization.

1231003011004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23673134844 (or 23673134842 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1231003011004 its reverse (4001103001321), we get a palindrome (5232106012325).

The spelling of 1231003011004 in words is "one trillion, two hundred thirty-one billion, three million, eleven thousand, four".