331462620145 has 16 divisors (see below), whose sum is σ = 428056651728. Its totient is φ = 245480509440.

The previous prime is 331462620127. The next prime is 331462620241. The reversal of 331462620145 is 541026264133.

It can be written as a sum of positive squares in 8 ways, for example, as 47033464384 + 284429155761 = 216872^2 + 533319^2 .

It is not a de Polignac number, because 331462620145 - 2⁷ = 331462620017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31958424 + ... + 31968793.

It is an arithmetic number, because the mean of its divisors is an integer number (26753540733).

Almost surely, 2^331462620145 is an apocalyptic number.

It is an amenable number.

331462620145 is a deficient number, since it is larger than the sum of its proper divisors (96594031583).

331462620145 is a wasteful number, since it uses less digits than its factorization.

331462620145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63927300.

The product of its (nonzero) digits is 103680, while the sum is 37.

Adding to 331462620145 its reverse (541026264133), we get a palindrome (872488884278).

The spelling of 331462620145 in words is "three hundred thirty-one billion, four hundred sixty-two million, six hundred twenty thousand, one hundred forty-five".