31210213000001 has 72 divisors (see below), whose sum is σ = 38981087102016. Its totient is φ = 24908080780800.

The previous prime is 31210212999971. The next prime is 31210213000039. The reversal of 31210213000001 is 10000031201213.

It is not a de Polignac number, because 31210213000001 - 2¹⁸ = 31210212737857 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31210213000001.

It is not an unprimeable number, because it can be changed into a prime (31210213000061) 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 71 ways as a sum of consecutive naturals, for example, 1863621710 + ... + 1863638456.

It is an arithmetic number, because the mean of its divisors is an integer number (541403987528).

Almost surely, 2^{31210213000001} is an apocalyptic number.

It is an amenable number.

31210213000001 is a deficient number, since it is larger than the sum of its proper divisors (7770874102015).

31210213000001 is a wasteful number, since it uses less digits than its factorization.

31210213000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18199 (or 18175 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 31210213000001 its reverse (10000031201213), we get a palindrome (41210244201214).

The spelling of 31210213000001 in words is "thirty-one trillion, two hundred ten billion, two hundred thirteen million, one", and thus it is an aban number.