1231410343 has 4 divisors (see below), whose sum is σ = 1233147880. Its totient is φ = 1229672808.

The previous prime is 1231410289. The next prime is 1231410347. The reversal of 1231410343 is 3430141321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3430141321 = 4001 ⋅857321.

It is a cyclic number.

It is not a de Polignac number, because 1231410343 - 2¹⁷ = 1231279271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231410347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 867705 + ... + 869122.

It is an arithmetic number, because the mean of its divisors is an integer number (308286970).

Almost surely, 2^1231410343 is an apocalyptic number.

1231410343 is a deficient number, since it is larger than the sum of its proper divisors (1737537).

1231410343 is an equidigital number, since it uses as much as digits as its factorization.

1231410343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737536.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1231410343 is about 35091.4568378117. The cubic root of 1231410343 is about 1071.8506253845.

Adding to 1231410343 its reverse (3430141321), we get a palindrome (4661551664).

The spelling of 1231410343 in words is "one billion, two hundred thirty-one million, four hundred ten thousand, three hundred forty-three".