331740063 has 16 divisors (see below), whose sum is σ = 512835840. Its totient is φ = 211543992.

The previous prime is 331740037. The next prime is 331740119. The reversal of 331740063 is 360047133.

It is a happy number.

It is not a de Polignac number, because 331740063 - 2¹³ = 331731871 is a prime.

It is a super-2 number, since 2×331740063² = 220102938798487938, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331740263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266481 + ... + 267722.

It is an arithmetic number, because the mean of its divisors is an integer number (32052240).

Almost surely, 2^331740063 is an apocalyptic number.

331740063 is a deficient number, since it is larger than the sum of its proper divisors (181095777).

331740063 is a wasteful number, since it uses less digits than its factorization.

331740063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534235 (or 534229 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 331740063 is about 18213.7328134570. The cubic root of 331740063 is about 692.2547976083.

Adding to 331740063 its reverse (360047133), we get a palindrome (691787196).

The spelling of 331740063 in words is "three hundred thirty-one million, seven hundred forty thousand, sixty-three".