1020031321102 has 32 divisors (see below), whose sum is σ = 1631732677632. Its totient is φ = 477112330464.

The previous prime is 1020031321097. The next prime is 1020031321129. The reversal of 1020031321102 is 2011231300201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2796613 + ... + 3140239.

It is an arithmetic number, because the mean of its divisors is an integer number (50991646176).

Almost surely, 2^{1020031321102} is an apocalyptic number.

1020031321102 is a deficient number, since it is larger than the sum of its proper divisors (611701356530).

1020031321102 is a wasteful number, since it uses less digits than its factorization.

1020031321102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345072.

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

Adding to 1020031321102 its reverse (2011231300201), we get a palindrome (3031262621303).

The spelling of 1020031321102 in words is "one trillion, twenty billion, thirty-one million, three hundred twenty-one thousand, one hundred two".