1031102123020 has 48 divisors (see below), whose sum is σ = 2346004207008. Its totient is φ = 379152184320.

The previous prime is 1031102122993. The next prime is 1031102123033. The reversal of 1031102123020 is 203212011301.

It is a junction number, because it is equal to n+sod(n) for n = 1031102122985 and 1031102123003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35248791 + ... + 35278030.

It is an arithmetic number, because the mean of its divisors is an integer number (48875087646).

Almost surely, 2^{1031102123020} is an apocalyptic number.

1031102123020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031102123020 is an abundant number, since it is smaller than the sum of its proper divisors (1314902083988).

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

1031102123020 is a wasteful number, since it uses less digits than its factorization.

1031102123020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70526890 (or 70526888 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1031102123020 its reverse (203212011301), we get a palindrome (1234314134321).

The spelling of 1031102123020 in words is "one trillion, thirty-one billion, one hundred two million, one hundred twenty-three thousand, twenty".