31341142440113 has 16 divisors (see below), whose sum is σ = 34241917981824. Its totient is φ = 28448966357760.

The previous prime is 31341142440107. The next prime is 31341142440137. The reversal of 31341142440113 is 31104424114313.

It is a happy number.

It is not a de Polignac number, because 31341142440113 - 2²⁴ = 31341125662897 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31341142440113.

It is not an unprimeable number, because it can be changed into a prime (31341142440173) 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, 393213881 + ... + 393293577.

It is an arithmetic number, because the mean of its divisors is an integer number (2140119873864).

Almost surely, 2^{31341142440113} is an apocalyptic number.

It is an amenable number.

31341142440113 is a deficient number, since it is larger than the sum of its proper divisors (2900775541711).

31341142440113 is a wasteful number, since it uses less digits than its factorization.

31341142440113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133192.

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 31341142440113 its reverse (31104424114313), we get a palindrome (62445566554426).

The spelling of 31341142440113 in words is "thirty-one trillion, three hundred forty-one billion, one hundred forty-two million, four hundred forty thousand, one hundred thirteen".