1011313013020 has 24 divisors (see below), whose sum is σ = 2192265629568. Its totient is φ = 391476004800.

The previous prime is 1011313012981. The next prime is 1011313013089. The reversal of 1011313013020 is 203103131101.

It is a junction number, because it is equal to n+sod(n) for n = 1011313012985 and 1011313013003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 815574391 + ... + 815575630.

It is an arithmetic number, because the mean of its divisors is an integer number (91344401232).

Almost surely, 2^{1011313013020} is an apocalyptic number.

1011313013020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011313013020 is an abundant number, since it is smaller than the sum of its proper divisors (1180952616548).

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

1011313013020 is a wasteful number, since it uses less digits than its factorization.

1011313013020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631150061 (or 1631150059 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1011313013020 its reverse (203103131101), we get a palindrome (1214416144121).

The spelling of 1011313013020 in words is "one trillion, eleven billion, three hundred thirteen million, thirteen thousand, twenty".