331211130000213 has 4 divisors (see below), whose sum is σ = 441614840000288. Its totient is φ = 220807420000140.

The previous prime is 331211130000209. The next prime is 331211130000229. The reversal of 331211130000213 is 312000031112133.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 331211130000213 - 2² = 331211130000209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 331211130000213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331211130000203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55201855000033 + ... + 55201855000038.

It is an arithmetic number, because the mean of its divisors is an integer number (110403710000072).

Almost surely, 2^{331211130000213} is an apocalyptic number.

It is an amenable number.

331211130000213 is a deficient number, since it is larger than the sum of its proper divisors (110403710000075).

331211130000213 is a wasteful number, since it uses less digits than its factorization.

331211130000213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110403710000074.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 331211130000213 its reverse (312000031112133), we get a palindrome (643211161112346).

The spelling of 331211130000213 in words is "three hundred thirty-one trillion, two hundred eleven billion, one hundred thirty million, two hundred thirteen", and thus it is an aban number.