331213043040406 has 16 divisors (see below), whose sum is σ = 503891954643168. Its totient is φ = 163263132568000.

The previous prime is 331213043040367. The next prime is 331213043040421. The reversal of 331213043040406 is 604040340312133.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3518554930 + ... + 3518649061.

It is an arithmetic number, because the mean of its divisors is an integer number (31493247165198).

Almost surely, 2^{331213043040406} is an apocalyptic number.

331213043040406 is a deficient number, since it is larger than the sum of its proper divisors (172678911602762).

331213043040406 is a wasteful number, since it uses less digits than its factorization.

331213043040406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7037204327.

The product of its (nonzero) digits is 62208, while the sum is 34.

Adding to 331213043040406 its reverse (604040340312133), we get a palindrome (935253383352539).

The spelling of 331213043040406 in words is "three hundred thirty-one trillion, two hundred thirteen billion, forty-three million, forty thousand, four hundred six".