3403431243 has 8 divisors (see below), whose sum is σ = 5042120400. Its totient is φ = 2268954144.

The previous prime is 3403431121. The next prime is 3403431247. The reversal of 3403431243 is 3421343043.

3403431243 is a `hidden beast` number, since 340 + 3 + 4 + 312 + 4 + 3 = 666.

It is not a de Polignac number, because 3403431243 - 2¹² = 3403427147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 126053009 = 3403431243 / (3 + 4 + 0 + 3 + 4 + 3 + 1 + 2 + 4 + 3).

It is not an unprimeable number, because it can be changed into a prime (3403431247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63026478 + ... + 63026531.

It is an arithmetic number, because the mean of its divisors is an integer number (630265050).

Almost surely, 2^3403431243 is an apocalyptic number.

3403431243 is a deficient number, since it is larger than the sum of its proper divisors (1638689157).

3403431243 is a wasteful number, since it uses less digits than its factorization.

3403431243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126053018 (or 126053012 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

The square root of 3403431243 is about 58338.9341949268. The cubic root of 3403431243 is about 1504.2002635460.

Adding to 3403431243 its reverse (3421343043), we get a palindrome (6824774286).

The spelling of 3403431243 in words is "three billion, four hundred three million, four hundred thirty-one thousand, two hundred forty-three".