1031204103020 has 192 divisors, whose sum is σ = 2690480572416. Its totient is φ = 323285022720.

The previous prime is 1031204103001. The next prime is 1031204103049. The reversal of 1031204103020 is 203014021301.

It is a self number, because there is not a number n which added to its sum of digits gives 1031204103020.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 92255672 + ... + 92266848.

It is an arithmetic number, because the mean of its divisors is an integer number (14012919648).

Almost surely, 2^{1031204103020} is an apocalyptic number.

1031204103020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1031204103020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1345240286208).

1031204103020 is an abundant number, since it is smaller than the sum of its proper divisors (1659276469396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1031204103020 is a wasteful number, since it uses less digits than its factorization.

1031204103020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11680 (or 11678 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1031204103020 its reverse (203014021301), we get a palindrome (1234218124321).

The spelling of 1031204103020 in words is "one trillion, thirty-one billion, two hundred four million, one hundred three thousand, twenty".