31201212031134 has 8 divisors (see below), whose sum is σ = 62402424062280. Its totient is φ = 10400404010376.

The previous prime is 31201212031061. The next prime is 31201212031153. The reversal of 31201212031134 is 43113021210213.

It is a sphenic number, since it is the product of 3 distinct primes.

31201212031134 is an admirable number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 2600101002589 + ... + 2600101002600.

It is an arithmetic number, because the mean of its divisors is an integer number (7800303007785).

Almost surely, 2^{31201212031134} is an apocalyptic number.

31201212031134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

31201212031134 is a wasteful number, since it uses less digits than its factorization.

31201212031134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5200202005194.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 31201212031134 its reverse (43113021210213), we get a palindrome (74314233241347).

The spelling of 31201212031134 in words is "thirty-one trillion, two hundred one billion, two hundred twelve million, thirty-one thousand, one hundred thirty-four".