213233323031969 has 2 divisors, whose sum is σ = 213233323031970. Its totient is φ = 213233323031968.

The previous prime is 213233323031959. The next prime is 213233323032017. The reversal of 213233323031969 is 969130323332312.

213233323031969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 212841838810000 + 391484221969 = 14589100^2 + 625687^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213233323031969 is a prime.

It is a super-2 number, since 2×213233323031969² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (213233323031959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106616661515984 + 106616661515985.

It is an arithmetic number, because the mean of its divisors is an integer number (106616661515985).

Almost surely, 2^{213233323031969} is an apocalyptic number.

It is an amenable number.

213233323031969 is a deficient number, since it is larger than the sum of its proper divisors (1).

213233323031969 is an equidigital number, since it uses as much as digits as its factorization.

213233323031969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2834352, while the sum is 50.

The spelling of 213233323031969 in words is "two hundred thirteen trillion, two hundred thirty-three billion, three hundred twenty-three million, thirty-one thousand, nine hundred sixty-nine".