31213344133322 has 64 divisors (see below), whose sum is σ = 53496557339904. Its totient is φ = 13531075783680.

The previous prime is 31213344133303. The next prime is 31213344133351. The reversal of 31213344133322 is 22333144331213.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 447013172 + ... + 447082992.

It is an arithmetic number, because the mean of its divisors is an integer number (835883708436).

Almost surely, 2^{31213344133322} is an apocalyptic number.

31213344133322 is a deficient number, since it is larger than the sum of its proper divisors (22283213206582).

31213344133322 is a wasteful number, since it uses less digits than its factorization.

31213344133322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71903.

The product of its digits is 93312, while the sum is 35.

Adding to 31213344133322 its reverse (22333144331213), we get a palindrome (53546488464535).

The spelling of 31213344133322 in words is "thirty-one trillion, two hundred thirteen billion, three hundred forty-four million, one hundred thirty-three thousand, three hundred twenty-two".