31453031323105 has 8 divisors (see below), whose sum is σ = 43135585814592. Its totient is φ = 21567792907248.

The previous prime is 31453031323037. The next prime is 31453031323127. The reversal of 31453031323105 is 50132313035413.

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

It is a de Polignac number, because none of the positive numbers 2^k-31453031323105 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 449329018867 + ... + 449329018936.

It is an arithmetic number, because the mean of its divisors is an integer number (5391948226824).

Almost surely, 2^{31453031323105} is an apocalyptic number.

31453031323105 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

31453031323105 is a deficient number, since it is larger than the sum of its proper divisors (11682554491487).

31453031323105 is an equidigital number, since it uses as much as digits as its factorization.

31453031323105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898658037815.

The product of its (nonzero) digits is 48600, while the sum is 34.

Adding to 31453031323105 its reverse (50132313035413), we get a palindrome (81585344358518).

The spelling of 31453031323105 in words is "thirty-one trillion, four hundred fifty-three billion, thirty-one million, three hundred twenty-three thousand, one hundred five".