31323214431113 has 12 divisors (see below), whose sum is σ = 34435324632240. Its totient is φ = 28470955285080.

The previous prime is 31323214431077. The next prime is 31323214431121. The reversal of 31323214431113 is 31113441232313.

It is not a de Polignac number, because 31323214431113 - 2⁶ = 31323214431049 is a prime.

It is a super-2 number, since 2×31323214431113² (a number of 28 digits) contains 22 as substring.

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 31323214431113.

It is not an unprimeable number, because it can be changed into a prime (31323214431143) 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 11 ways as a sum of consecutive naturals, for example, 20600123 + ... + 22068336.

It is an arithmetic number, because the mean of its divisors is an integer number (2869610386020).

Almost surely, 2^{31323214431113} is an apocalyptic number.

It is an amenable number.

31323214431113 is a deficient number, since it is larger than the sum of its proper divisors (3112110201127).

31323214431113 is a wasteful number, since it uses less digits than its factorization.

31323214431113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42674548 (or 42674537 counting only the distinct ones).

The product of its digits is 15552, while the sum is 32.

Adding to 31323214431113 its reverse (31113441232313), we get a palindrome (62436655663426).

The spelling of 31323214431113 in words is "thirty-one trillion, three hundred twenty-three billion, two hundred fourteen million, four hundred thirty-one thousand, one hundred thirteen".