31212102122003 has 8 divisors (see below), whose sum is σ = 34182054537840. Its totient is φ = 28264231137280.

The previous prime is 31212102121999. The next prime is 31212102122017. The reversal of 31212102122003 is 30022120121213.

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

It is a cyclic number.

It is not a de Polignac number, because 31212102122003 - 2² = 31212102121999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31212102124003) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5520354818 + ... + 5520360471.

It is an arithmetic number, because the mean of its divisors is an integer number (4272756817230).

Almost surely, 2^{31212102122003} is an apocalyptic number.

31212102122003 is a deficient number, since it is larger than the sum of its proper divisors (2969952415837).

31212102122003 is a wasteful number, since it uses less digits than its factorization.

31212102122003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11040715557.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 31212102122003 its reverse (30022120121213), we get a palindrome (61234222243216).

The spelling of 31212102122003 in words is "thirty-one trillion, two hundred twelve billion, one hundred two million, one hundred twenty-two thousand, three".