1031021013112 has 64 divisors (see below), whose sum is σ = 2116841040000. Its totient is φ = 468903093120.

The previous prime is 1031021013091. The next prime is 1031021013161. The reversal of 1031021013112 is 2113101201301.

It is a happy number.

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, 135687 + ... + 1442377.

It is an arithmetic number, because the mean of its divisors is an integer number (33075641250).

Almost surely, 2^{1031021013112} is an apocalyptic number.

It is an amenable number.

1031021013112 is an abundant number, since it is smaller than the sum of its proper divisors (1085820026888).

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

1031021013112 is a wasteful number, since it uses less digits than its factorization.

1031021013112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306924 (or 1306920 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1031021013112 its reverse (2113101201301), we get a palindrome (3144122214413).

The spelling of 1031021013112 in words is "one trillion, thirty-one billion, twenty-one million, thirteen thousand, one hundred twelve".