213031322033313 has 16 divisors (see below), whose sum is σ = 324619823379456. Its totient is φ = 121731934270800.

The previous prime is 213031322033303. The next prime is 213031322033351. The reversal of 213031322033313 is 313330223130312.

It is not a de Polignac number, because 213031322033313 - 2²² = 213031317839009 is a prime.

It is a super-2 number, since 2×213031322033313² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213031322033303) 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, 330988 + ... + 20643938.

It is an arithmetic number, because the mean of its divisors is an integer number (20288738961216).

Almost surely, 2^{213031322033313} is an apocalyptic number.

It is an amenable number.

213031322033313 is a deficient number, since it is larger than the sum of its proper divisors (111588501346143).

213031322033313 is a wasteful number, since it uses less digits than its factorization.

213031322033313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20812364.

The product of its (nonzero) digits is 17496, while the sum is 30.

Adding to 213031322033313 its reverse (313330223130312), we get a palindrome (526361545163625).

The spelling of 213031322033313 in words is "two hundred thirteen trillion, thirty-one billion, three hundred twenty-two million, thirty-three thousand, three hundred thirteen".