1231414020343 has 4 divisors (see below), whose sum is σ = 1326138175768. Its totient is φ = 1136689864920.

The previous prime is 1231414020329. The next prime is 1231414020367. The reversal of 1231414020343 is 3430204141321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1231414020343 - 2¹⁷ = 1231413889271 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 (1231414020043) 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, 47362077693 + ... + 47362077718.

It is an arithmetic number, because the mean of its divisors is an integer number (331534543942).

Almost surely, 2^{1231414020343} is an apocalyptic number.

1231414020343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1231414020343 is a deficient number, since it is larger than the sum of its proper divisors (94724155425).

1231414020343 is an equidigital number, since it uses as much as digits as its factorization.

1231414020343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94724155424.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1231414020343 its reverse (3430204141321), we get a palindrome (4661618161664).

The spelling of 1231414020343 in words is "one trillion, two hundred thirty-one billion, four hundred fourteen million, twenty thousand, three hundred forty-three".