1043320314361 has 16 divisors (see below), whose sum is σ = 1127906630928. Its totient is φ = 959354726400.

The previous prime is 1043320314347. The next prime is 1043320314401. The reversal of 1043320314361 is 1634130233401.

It can be written as a sum of positive squares in 8 ways, for example, as 60309536400 + 983010777961 = 245580^2 + 991469^2 .

It is a cyclic number.

It is not a de Polignac number, because 1043320314361 - 2³¹ = 1041172830713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1043320312361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12894945 + ... + 12975601.

It is an arithmetic number, because the mean of its divisors is an integer number (70494164433).

Almost surely, 2^{1043320314361} is an apocalyptic number.

It is an amenable number.

1043320314361 is a deficient number, since it is larger than the sum of its proper divisors (84586316567).

1043320314361 is a wasteful number, since it uses less digits than its factorization.

1043320314361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84492.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 1043320314361 its reverse (1634130233401), we get a palindrome (2677450547762).

The spelling of 1043320314361 in words is "one trillion, forty-three billion, three hundred twenty million, three hundred fourteen thousand, three hundred sixty-one".