1031143442040 has 48 divisors (see below), whose sum is σ = 3351216187800. Its totient is φ = 274971584448.

The previous prime is 1031143442039. The next prime is 1031143442051. The reversal of 1031143442040 is 402443411301.

1031143442040 is a `hidden beast` number, since 1 + 0 + 3 + 114 + 344 + 204 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1031143441995 and 1031143442013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1432143310 + ... + 1432144029.

Almost surely, 2^{1031143442040} is an apocalyptic number.

1031143442040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031143442040 is an abundant number, since it is smaller than the sum of its proper divisors (2320072745760).

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

1031143442040 is a wasteful number, since it uses less digits than its factorization.

1031143442040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2864287356 (or 2864287349 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1031143442040 its reverse (402443411301), we get a palindrome (1433586853341).

The spelling of 1031143442040 in words is "one trillion, thirty-one billion, one hundred forty-three million, four hundred forty-two thousand, forty".