31324434153343 has 8 divisors (see below), whose sum is σ = 31470214370000. Its totient is φ = 31178732131008.

The previous prime is 31324434153251. The next prime is 31324434153391. The reversal of 31324434153343 is 34335143442313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31324434153343 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 31324434153343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31324434157343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18745446 + ... + 20347987.

It is an arithmetic number, because the mean of its divisors is an integer number (3933776796250).

Almost surely, 2^{31324434153343} is an apocalyptic number.

31324434153343 is a deficient number, since it is larger than the sum of its proper divisors (145780216657).

31324434153343 is a wasteful number, since it uses less digits than its factorization.

31324434153343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39097161.

The product of its digits is 1866240, while the sum is 43.

Adding to 31324434153343 its reverse (34335143442313), we get a palindrome (65659577595656).

The spelling of 31324434153343 in words is "thirty-one trillion, three hundred twenty-four billion, four hundred thirty-four million, one hundred fifty-three thousand, three hundred forty-three".