1012044342431 has 4 divisors (see below), whose sum is σ = 1071576362592. Its totient is φ = 952512322272.

The previous prime is 1012044342389. The next prime is 1012044342481. The reversal of 1012044342431 is 1342434402101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012044342431 is a prime.

It is a super-2 number, since 2×1012044342431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012044342394 and 1012044342403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012044342481) 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, 29766010055 + ... + 29766010088.

It is an arithmetic number, because the mean of its divisors is an integer number (267894090648).

Almost surely, 2^{1012044342431} is an apocalyptic number.

1012044342431 is a deficient number, since it is larger than the sum of its proper divisors (59532020161).

1012044342431 is an equidigital number, since it uses as much as digits as its factorization.

1012044342431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59532020160.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 1012044342431 its reverse (1342434402101), we get a palindrome (2354478744532).

The spelling of 1012044342431 in words is "one trillion, twelve billion, forty-four million, three hundred forty-two thousand, four hundred thirty-one".