331211000213 has 4 divisors (see below), whose sum is σ = 331246017708. Its totient is φ = 331175982720.

The previous prime is 331211000207. The next prime is 331211000303. The reversal of 331211000213 is 312000112133.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312000112133 = 397 ⋅785894489.

It can be written as a sum of positive squares in 2 ways, for example, as 279061797169 + 52149203044 = 528263^2 + 228362^2 .

It is a cyclic number.

It is not a de Polignac number, because 331211000213 - 2⁶ = 331211000149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331211000191 and 331211000200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331211090213) 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, 17494556 + ... + 17513477.

It is an arithmetic number, because the mean of its divisors is an integer number (82811504427).

Almost surely, 2^331211000213 is an apocalyptic number.

It is an amenable number.

331211000213 is a deficient number, since it is larger than the sum of its proper divisors (35017495).

331211000213 is an equidigital number, since it uses as much as digits as its factorization.

331211000213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35017494.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 331211000213 its reverse (312000112133), we get a palindrome (643211112346).

The spelling of 331211000213 in words is "three hundred thirty-one billion, two hundred eleven million, two hundred thirteen", and thus it is an aban number.