1231340105514 has 32 divisors (see below), whose sum is σ = 2511975997440. Its totient is φ = 402308614512.

The previous prime is 1231340105497. The next prime is 1231340105533. The reversal of 1231340105514 is 4155010431321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9671284 + ... + 9797775.

It is an arithmetic number, because the mean of its divisors is an integer number (78499249920).

Almost surely, 2^{1231340105514} is an apocalyptic number.

1231340105514 is an abundant number, since it is smaller than the sum of its proper divisors (1280635891926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1231340105514 is a wasteful number, since it uses less digits than its factorization.

1231340105514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19469274.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 1231340105514 its reverse (4155010431321), we get a palindrome (5386350536835).

The spelling of 1231340105514 in words is "one trillion, two hundred thirty-one billion, three hundred forty million, one hundred five thousand, five hundred fourteen".