1021031000204 has 12 divisors (see below), whose sum is σ = 1787977474584. Its totient is φ = 510180293184.

The previous prime is 1021031000203. The next prime is 1021031000267. The reversal of 1021031000204 is 4020001301201.

It is not an unprimeable number, because it can be changed into a prime (1021031000203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83794877 + ... + 83807060.

It is an arithmetic number, because the mean of its divisors is an integer number (148998122882).

Almost surely, 2^{1021031000204} is an apocalyptic number.

It is an amenable number.

1021031000204 is a deficient number, since it is larger than the sum of its proper divisors (766946474380).

1021031000204 is a wasteful number, since it uses less digits than its factorization.

1021031000204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167603464 (or 167603462 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1021031000204 its reverse (4020001301201), we get a palindrome (5041032301405).

The spelling of 1021031000204 in words is "one trillion, twenty-one billion, thirty-one million, two hundred four", and thus it is an aban number.