1031130203020 has 48 divisors (see below), whose sum is σ = 2201127306336. Its totient is φ = 405643392000.

The previous prime is 1031130202981. The next prime is 1031130203023. The reversal of 1031130203020 is 203020311301.

It is a junction number, because it is equal to n+sod(n) for n = 1031130202985 and 1031130203003.

It is not an unprimeable number, because it can be changed into a prime (1031130203023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11571235 + ... + 11660005.

It is an arithmetic number, because the mean of its divisors is an integer number (45856818882).

Almost surely, 2^{1031130203020} is an apocalyptic number.

1031130203020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031130203020 is an abundant number, since it is smaller than the sum of its proper divisors (1169997103316).

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

1031130203020 is a wasteful number, since it uses less digits than its factorization.

1031130203020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98362 (or 98360 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1031130203020 its reverse (203020311301), we get a palindrome (1234150514321).

The spelling of 1031130203020 in words is "one trillion, thirty-one billion, one hundred thirty million, two hundred three thousand, twenty".