213310331311243 has 16 divisors (see below), whose sum is σ = 224693396737920. Its totient is φ = 201942917297856.

The previous prime is 213310331311193. The next prime is 213310331311271. The reversal of 213310331311243 is 342113133013312.

It is not a de Polignac number, because 213310331311243 - 2³³ = 213301741376651 is a prime.

It is a super-2 number, since 2×213310331311243² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213310331311283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251405880 + ... + 252252922.

It is an arithmetic number, because the mean of its divisors is an integer number (14043337296120).

Almost surely, 2^{213310331311243} is an apocalyptic number.

213310331311243 is a deficient number, since it is larger than the sum of its proper divisors (11383065426677).

213310331311243 is a wasteful number, since it uses less digits than its factorization.

213310331311243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856266.

The product of its (nonzero) digits is 11664, while the sum is 31.

Adding to 213310331311243 its reverse (342113133013312), we get a palindrome (555423464324555).

The spelling of 213310331311243 in words is "two hundred thirteen trillion, three hundred ten billion, three hundred thirty-one million, three hundred eleven thousand, two hundred forty-three".