1031110243243 has 8 divisors (see below), whose sum is σ = 1102183590816. Its totient is φ = 962223768000.

The previous prime is 1031110243237. The next prime is 1031110243253. The reversal of 1031110243243 is 3423420111301.

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

It is a de Polignac number, because none of the positive numbers 2^k-1031110243243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1031110243253) 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, 546717108 + ... + 546718993.

It is an arithmetic number, because the mean of its divisors is an integer number (137772948852).

Almost surely, 2^{1031110243243} is an apocalyptic number.

1031110243243 is a deficient number, since it is larger than the sum of its proper divisors (71073347573).

1031110243243 is a wasteful number, since it uses less digits than its factorization.

1031110243243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093436165.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1031110243243 its reverse (3423420111301), we get a palindrome (4454530354544).

The spelling of 1031110243243 in words is "one trillion, thirty-one billion, one hundred ten million, two hundred forty-three thousand, two hundred forty-three".