1043400313330 has 16 divisors (see below), whose sum is σ = 1923928383384. Its totient is φ = 407180609920.

The previous prime is 1043400313273. The next prime is 1043400313343. The reversal of 1043400313330 is 333130043401.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 390828776569 + 652571536761 = 625163^2 + 807819^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1043400313295 and 1043400313304.

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, 1272438997 + ... + 1272439816.

Almost surely, 2^{1043400313330} is an apocalyptic number.

1043400313330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1043400313330 is a deficient number, since it is larger than the sum of its proper divisors (880528070054).

1043400313330 is a wasteful number, since it uses less digits than its factorization.

1043400313330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2544878861.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 1043400313330 its reverse (333130043401), we get a palindrome (1376530356731).

The spelling of 1043400313330 in words is "one trillion, forty-three billion, four hundred million, three hundred thirteen thousand, three hundred thirty".