213020131313312 has 12 divisors (see below), whose sum is σ = 419383383523146. Its totient is φ = 106510065656640.

The previous prime is 213020131313299. The next prime is 213020131313329. The reversal of 213020131313312 is 213313131020312.

It can be written as a sum of positive squares in only one way, i.e., 142472965929616 + 70547165383696 = 11936204^2 + 8399236^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3328439551739 + ... + 3328439551802.

Almost surely, 2^{213020131313312} is an apocalyptic number.

It is an amenable number.

213020131313312 is a deficient number, since it is larger than the sum of its proper divisors (206363252209834).

213020131313312 is an equidigital number, since it uses as much as digits as its factorization.

213020131313312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6656879103551 (or 6656879103543 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 213020131313312 its reverse (213313131020312), we get a palindrome (426333262333624).

The spelling of 213020131313312 in words is "two hundred thirteen trillion, twenty billion, one hundred thirty-one million, three hundred thirteen thousand, three hundred twelve".