331545431013 has 8 divisors (see below), whose sum is σ = 465326920800. Its totient is φ = 209397114288.

The previous prime is 331545431003. The next prime is 331545431027. The reversal of 331545431013 is 310134545133.

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

It is not a de Polignac number, because 331545431013 - 2⁸ = 331545430757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331545431003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2908293198 + ... + 2908293311.

It is an arithmetic number, because the mean of its divisors is an integer number (58165865100).

Almost surely, 2^331545431013 is an apocalyptic number.

It is an amenable number.

331545431013 is a deficient number, since it is larger than the sum of its proper divisors (133781489787).

331545431013 is a wasteful number, since it uses less digits than its factorization.

331545431013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5816586531.

The product of its (nonzero) digits is 32400, while the sum is 33.

Adding to 331545431013 its reverse (310134545133), we get a palindrome (641679976146).

The spelling of 331545431013 in words is "three hundred thirty-one billion, five hundred forty-five million, four hundred thirty-one thousand, thirteen".