1011240031143 has 8 divisors (see below), whose sum is σ = 1348324800768. Its totient is φ = 674157641144.

The previous prime is 1011240031103. The next prime is 1011240031229. The reversal of 1011240031143 is 3411300421101.

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

It is a cyclic number.

It is not a de Polignac number, because 1011240031143 - 2²⁵ = 1011206476711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011240031103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1033180 + ... + 1757822.

It is an arithmetic number, because the mean of its divisors is an integer number (168540600096).

Almost surely, 2^{1011240031143} is an apocalyptic number.

1011240031143 is a deficient number, since it is larger than the sum of its proper divisors (337084769625).

1011240031143 is an equidigital number, since it uses as much as digits as its factorization.

1011240031143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189813.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1011240031143 its reverse (3411300421101), we get a palindrome (4422540452244).

The spelling of 1011240031143 in words is "one trillion, eleven billion, two hundred forty million, thirty-one thousand, one hundred forty-three".