1234340512131 has 8 divisors (see below), whose sum is σ = 1646109252880. Its totient is φ = 822732723072.

The previous prime is 1234340512121. The next prime is 1234340512151. The reversal of 1234340512131 is 1312150434321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1234340512131 - 2⁵ = 1234340512099 is a prime.

It is a super-2 number, since 2×1234340512131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1234340512121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40220026 + ... + 40250703.

It is an arithmetic number, because the mean of its divisors is an integer number (205763656610).

Almost surely, 2^{1234340512131} is an apocalyptic number.

1234340512131 is a deficient number, since it is larger than the sum of its proper divisors (411768740749).

1234340512131 is an equidigital number, since it uses as much as digits as its factorization.

1234340512131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80475845.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 1234340512131 its reverse (1312150434321), we get a palindrome (2546490946452).

It can be divided in two parts, 1234340 and 512131, that added together give a palindrome (1746471).

The spelling of 1234340512131 in words is "one trillion, two hundred thirty-four billion, three hundred forty million, five hundred twelve thousand, one hundred thirty-one".