1031112210040 has 64 divisors (see below), whose sum is σ = 2531038181760. Its totient is φ = 374931169920.

The previous prime is 1031112210031. The next prime is 1031112210041. The reversal of 1031112210040 is 400122111301.

It is a junction number, because it is equal to n+sod(n) for n = 1031112209996 and 1031112210023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031112210041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11237227 + ... + 11328613.

It is an arithmetic number, because the mean of its divisors is an integer number (39547471590).

Almost surely, 2^{1031112210040} is an apocalyptic number.

1031112210040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031112210040 is an abundant number, since it is smaller than the sum of its proper divisors (1499925971720).

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

1031112210040 is a wasteful number, since it uses less digits than its factorization.

1031112210040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117052 (or 117048 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1031112210040 its reverse (400122111301), we get a palindrome (1431234321341).

The spelling of 1031112210040 in words is "one trillion, thirty-one billion, one hundred twelve million, two hundred ten thousand, forty".