1003020331312 has 20 divisors (see below), whose sum is σ = 1947680083800. Its totient is φ = 500393212928.

The previous prime is 1003020331253. The next prime is 1003020331349. The reversal of 1003020331312 is 2131330203001.

It is a self number, because there is not a number n which added to its sum of digits gives 1003020331312.

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, 69802138 + ... + 69816505.

It is an arithmetic number, because the mean of its divisors is an integer number (97384004190).

Almost surely, 2^{1003020331312} is an apocalyptic number.

It is an amenable number.

1003020331312 is a deficient number, since it is larger than the sum of its proper divisors (944659752488).

1003020331312 is a wasteful number, since it uses less digits than its factorization.

1003020331312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139619100 (or 139619094 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 1003020331312 its reverse (2131330203001), we get a palindrome (3134350534313).

The spelling of 1003020331312 in words is "one trillion, three billion, twenty million, three hundred thirty-one thousand, three hundred twelve".