1031112311302 has 4 divisors (see below), whose sum is σ = 1546668466956. Its totient is φ = 515556155650.

The previous prime is 1031112311261. The next prime is 1031112311329. The reversal of 1031112311302 is 2031132111301.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1031112311302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257778077824 + ... + 257778077827.

It is an arithmetic number, because the mean of its divisors is an integer number (386667116739).

Almost surely, 2^{1031112311302} is an apocalyptic number.

1031112311302 is a deficient number, since it is larger than the sum of its proper divisors (515556155654).

1031112311302 is an equidigital number, since it uses as much as digits as its factorization.

1031112311302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515556155653.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1031112311302 its reverse (2031132111301), we get a palindrome (3062244422603).

The spelling of 1031112311302 in words is "one trillion, thirty-one billion, one hundred twelve million, three hundred eleven thousand, three hundred two".