1031540112112 has 40 divisors (see below), whose sum is σ = 2111233007360. Its totient is φ = 486897635520.

The previous prime is 1031540112037. The next prime is 1031540112143. The reversal of 1031540112112 is 2112110451301.

1031540112112 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 7 ways as a sum of consecutive naturals, for example, 5909064 + ... + 6081127.

It is an arithmetic number, because the mean of its divisors is an integer number (52780825184).

Almost surely, 2^{1031540112112} is an apocalyptic number.

It is an amenable number.

1031540112112 is an abundant number, since it is smaller than the sum of its proper divisors (1079692895248).

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

1031540112112 is a wasteful number, since it uses less digits than its factorization.

1031540112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11990501 (or 11990495 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 22.

Adding to 1031540112112 its reverse (2112110451301), we get a palindrome (3143650563413).

The spelling of 1031540112112 in words is "one trillion, thirty-one billion, five hundred forty million, one hundred twelve thousand, one hundred twelve".