1031102101020 has 24 divisors (see below), whose sum is σ = 2887085883024. Its totient is φ = 274960560256.

The previous prime is 1031102101009. The next prime is 1031102101063. The reversal of 1031102101020 is 201012011301.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1031102100987 and 1031102101005.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 8592517449 + ... + 8592517568.

It is an arithmetic number, because the mean of its divisors is an integer number (120295245126).

Almost surely, 2^{1031102101020} is an apocalyptic number.

1031102101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031102101020 is an abundant number, since it is smaller than the sum of its proper divisors (1855983782004).

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

1031102101020 is a wasteful number, since it uses less digits than its factorization.

1031102101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17185035029 (or 17185035027 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 1031102101020 its reverse (201012011301), we get a palindrome (1232114112321).

The spelling of 1031102101020 in words is "one trillion, thirty-one billion, one hundred two million, one hundred one thousand, twenty".