31344410243391 has 16 divisors (see below), whose sum is σ = 48106528915200. Its totient is φ = 17782234792128.

The previous prime is 31344410243389. The next prime is 31344410243407. The reversal of 31344410243391 is 19334201444313.

It is a happy number.

It is not a de Polignac number, because 31344410243391 - 2¹ = 31344410243389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31344410248391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5369029326 + ... + 5369035163.

It is an arithmetic number, because the mean of its divisors is an integer number (3006658057200).

Almost surely, 2^{31344410243391} is an apocalyptic number.

31344410243391 is a deficient number, since it is larger than the sum of its proper divisors (16762118671809).

31344410243391 is a wasteful number, since it uses less digits than its factorization.

31344410243391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10738064638.

The product of its (nonzero) digits is 373248, while the sum is 42.

The spelling of 31344410243391 in words is "thirty-one trillion, three hundred forty-four billion, four hundred ten million, two hundred forty-three thousand, three hundred ninety-one".