1031243311012 has 24 divisors (see below), whose sum is σ = 1929752347320. Its totient is φ = 480486105600.

The previous prime is 1031243311001. The next prime is 1031243311061. The reversal of 1031243311012 is 2101133421301.

It can be written as a sum of positive squares in 4 ways, for example, as 553021271716 + 478222039296 = 743654^2 + 691536^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75069087 + ... + 75082822.

It is an arithmetic number, because the mean of its divisors is an integer number (80406347805).

Almost surely, 2^{1031243311012} is an apocalyptic number.

It is an amenable number.

1031243311012 is a deficient number, since it is larger than the sum of its proper divisors (898509036308).

1031243311012 is a wasteful number, since it uses less digits than its factorization.

1031243311012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150152031 (or 150152029 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1031243311012 its reverse (2101133421301), we get a palindrome (3132376732313).

The spelling of 1031243311012 in words is "one trillion, thirty-one billion, two hundred forty-three million, three hundred eleven thousand, twelve".