331220045354 has 32 divisors (see below), whose sum is σ = 581287181760. Its totient is φ = 139939488000.

The previous prime is 331220045339. The next prime is 331220045357. The reversal of 331220045354 is 453540022133.

It is a self number, because there is not a number n which added to its sum of digits gives 331220045354.

It is not an unprimeable number, because it can be changed into a prime (331220045357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7453247 + ... + 7497554.

It is an arithmetic number, because the mean of its divisors is an integer number (18165224430).

Almost surely, 2^331220045354 is an apocalyptic number.

331220045354 is a deficient number, since it is larger than the sum of its proper divisors (250067136406).

331220045354 is a wasteful number, since it uses less digits than its factorization.

331220045354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14950886.

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 331220045354 its reverse (453540022133), we get a palindrome (784760067487).

The spelling of 331220045354 in words is "three hundred thirty-one billion, two hundred twenty million, forty-five thousand, three hundred fifty-four".