1042310311225 has 12 divisors (see below), whose sum is σ = 1292693433084. Its totient is φ = 833700734720.

The previous prime is 1042310311219. The next prime is 1042310311253. The reversal of 1042310311225 is 5221130132401.

It can be written as a sum of positive squares in 6 ways, for example, as 327791745961 + 714518565264 = 572531^2 + 845292^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1042310311225 is a prime.

It is a super-2 number, since 2×1042310311225² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1042310311225.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3543604 + ... + 3826453.

It is an arithmetic number, because the mean of its divisors is an integer number (107724452757).

Almost surely, 2^{1042310311225} is an apocalyptic number.

It is an amenable number.

1042310311225 is a deficient number, since it is larger than the sum of its proper divisors (250383121859).

1042310311225 is an equidigital number, since it uses as much as digits as its factorization.

1042310311225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7375724 (or 7375719 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 1042310311225 its reverse (5221130132401), we get a palindrome (6263440443626).

The spelling of 1042310311225 in words is "one trillion, forty-two billion, three hundred ten million, three hundred eleven thousand, two hundred twenty-five".