1031020603872 has 192 divisors, whose sum is σ = 3288604644864. Its totient is φ = 276098088960.

The previous prime is 1031020603853. The next prime is 1031020603883. The reversal of 1031020603872 is 2783060201301.

1031020603872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2565943 + ... + 2940425.

It is an arithmetic number, because the mean of its divisors is an integer number (17128149192).

Almost surely, 2^{1031020603872} is an apocalyptic number.

1031020603872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1031020603872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1644302322432).

1031020603872 is an abundant number, since it is smaller than the sum of its proper divisors (2257584040992).

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

1031020603872 is a wasteful number, since it uses less digits than its factorization.

1031020603872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374761 (or 374753 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The spelling of 1031020603872 in words is "one trillion, thirty-one billion, twenty million, six hundred three thousand, eight hundred seventy-two".