331161615343 has 16 divisors (see below), whose sum is σ = 368452207872. Its totient is φ = 295575840000.

The previous prime is 331161615331. The next prime is 331161615349. The reversal of 331161615343 is 343516161133.

It is a cyclic number.

It is not a de Polignac number, because 331161615343 - 2⁹ = 331161614831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331161615349) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 128043 + ... + 823843.

It is an arithmetic number, because the mean of its divisors is an integer number (23028262992).

Almost surely, 2^331161615343 is an apocalyptic number.

331161615343 is a deficient number, since it is larger than the sum of its proper divisors (37290592529).

331161615343 is a wasteful number, since it uses less digits than its factorization.

331161615343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697026.

The product of its digits is 58320, while the sum is 37.

Adding to 331161615343 its reverse (343516161133), we get a palindrome (674677776476).

The spelling of 331161615343 in words is "three hundred thirty-one billion, one hundred sixty-one million, six hundred fifteen thousand, three hundred forty-three".