31212331313334 has 32 divisors (see below), whose sum is σ = 64884247223040. Its totient is φ = 10000955387232.

The previous prime is 31212331313291. The next prime is 31212331313351. The reversal of 31212331313334 is 43331313321213.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 31212331313295 and 31212331313304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 846945954 + ... + 846982805.

It is an arithmetic number, because the mean of its divisors is an integer number (2027632725720).

Almost surely, 2^{31212331313334} is an apocalyptic number.

31212331313334 is an abundant number, since it is smaller than the sum of its proper divisors (33671915909706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31212331313334 is a wasteful number, since it uses less digits than its factorization.

31212331313334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693928884.

The product of its digits is 34992, while the sum is 33.

Adding to 31212331313334 its reverse (43331313321213), we get a palindrome (74543644634547).

The spelling of 31212331313334 in words is "thirty-one trillion, two hundred twelve billion, three hundred thirty-one million, three hundred thirteen thousand, three hundred thirty-four".