331415331345 has 24 divisors (see below), whose sum is σ = 656517990336. Its totient is φ = 151504151328.

The previous prime is 331415331311. The next prime is 331415331349. The reversal of 331415331345 is 543133514133.

It is a happy number.

331415331345 is a `hidden beast` number, since 3 + 31 + 41 + 533 + 13 + 45 = 666.

It is not a de Polignac number, because 331415331345 - 2⁶ = 331415331281 is a prime.

It is a super-2 number, since 2×331415331345² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (331415331349) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 526055767 + ... + 526056396.

It is an arithmetic number, because the mean of its divisors is an integer number (27354916264).

Almost surely, 2^331415331345 is an apocalyptic number.

331415331345 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

331415331345 is a deficient number, since it is larger than the sum of its proper divisors (325102658991).

331415331345 is a wasteful number, since it uses less digits than its factorization.

331415331345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052112181 (or 1052112178 counting only the distinct ones).

The product of its digits is 97200, while the sum is 36.

Adding to 331415331345 its reverse (543133514133), we get a palindrome (874548845478).

The spelling of 331415331345 in words is "three hundred thirty-one billion, four hundred fifteen million, three hundred thirty-one thousand, three hundred forty-five".