1003231312312 has 16 divisors (see below), whose sum is σ = 1881071926200. Its totient is φ = 501612132000.

The previous prime is 1003231312271. The next prime is 1003231312313. The reversal of 1003231312312 is 2132131323001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003231312313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1076739 + ... + 1779277.

Almost surely, 2^{1003231312312} is an apocalyptic number.

It is an amenable number.

1003231312312 is a deficient number, since it is larger than the sum of its proper divisors (877840613888).

1003231312312 is a wasteful number, since it uses less digits than its factorization.

1003231312312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881046 (or 881042 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1003231312312 its reverse (2132131323001), we get a palindrome (3135362635313).

The spelling of 1003231312312 in words is "one trillion, three billion, two hundred thirty-one million, three hundred twelve thousand, three hundred twelve".