31311433411313 has 24 divisors (see below), whose sum is σ = 35188872042240. Its totient is φ = 27827675638400.

The previous prime is 31311433411229. The next prime is 31311433411319.

31311433411313 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31311433411313 - 2⁸ = 31311433411057 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 31311433411313.

It is not an unprimeable number, because it can be changed into a prime (31311433411319) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1885508 + ... + 8134986.

It is an arithmetic number, because the mean of its divisors is an integer number (1466203001760).

Almost surely, 2^{31311433411313} is an apocalyptic number.

It is an amenable number.

31311433411313 is a deficient number, since it is larger than the sum of its proper divisors (3877438630927).

31311433411313 is a wasteful number, since it uses less digits than its factorization.

31311433411313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6250429 (or 6250418 counting only the distinct ones).

The product of its digits is 11664, while the sum is 32.

It can be divided in two parts, 3131143 and 3411313, that added together give a palindrome (6542456).

The spelling of 31311433411313 in words is "thirty-one trillion, three hundred eleven billion, four hundred thirty-three million, four hundred eleven thousand, three hundred thirteen".