1031142221043 has 8 divisors (see below), whose sum is σ = 1499843230656. Its totient is φ = 624934679400.

The previous prime is 1031142221041. The next prime is 1031142221119. The reversal of 1031142221043 is 3401222411301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1031142221043 - 2¹ = 1031142221041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1031142221041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15623366953 + ... + 15623367018.

It is an arithmetic number, because the mean of its divisors is an integer number (187480403832).

Almost surely, 2^{1031142221043} is an apocalyptic number.

1031142221043 is a deficient number, since it is larger than the sum of its proper divisors (468701009613).

1031142221043 is a wasteful number, since it uses less digits than its factorization.

1031142221043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31246733985.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1031142221043 its reverse (3401222411301), we get a palindrome (4432364632344).

The spelling of 1031142221043 in words is "one trillion, thirty-one billion, one hundred forty-two million, two hundred twenty-one thousand, forty-three".