331131001313222 has 64 divisors (see below), whose sum is σ = 574028072870400. Its totient is φ = 141677658420480.

The previous prime is 331131001313221. The next prime is 331131001313303. The reversal of 331131001313222 is 222313100131133.

It is a junction number, because it is equal to n+sod(n) for n = 331131001313191 and 331131001313200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331131001313221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1628013743 + ... + 1628217125.

It is an arithmetic number, because the mean of its divisors is an integer number (8969188638600).

Almost surely, 2^{331131001313222} is an apocalyptic number.

331131001313222 is a deficient number, since it is larger than the sum of its proper divisors (242897071557178).

331131001313222 is a wasteful number, since it uses less digits than its factorization.

331131001313222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228381.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 331131001313222 its reverse (222313100131133), we get a palindrome (553444101444355).

The spelling of 331131001313222 in words is "three hundred thirty-one trillion, one hundred thirty-one billion, one million, three hundred thirteen thousand, two hundred twenty-two".