16313222533 has 2 divisors, whose sum is σ = 16313222534. Its totient is φ = 16313222532.

The previous prime is 16313222531. The next prime is 16313222537. The reversal of 16313222533 is 33522231361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16224900129 + 88322404 = 127377^2 + 9398^2 .

It is a cyclic number.

It is not a de Polignac number, because 16313222533 - 2¹ = 16313222531 is a prime.

It is a super-2 number, since 2×16313222533² (a number of 21 digits) contains 22 as substring.

Together with 16313222531, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 16313222495 and 16313222504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16313222531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8156611266 + 8156611267.

It is an arithmetic number, because the mean of its divisors is an integer number (8156611267).

Almost surely, 2^16313222533 is an apocalyptic number.

It is an amenable number.

16313222533 is a deficient number, since it is larger than the sum of its proper divisors (1).

16313222533 is an equidigital number, since it uses as much as digits as its factorization.

16313222533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 31.

Adding to 16313222533 its reverse (33522231361), we get a palindrome (49835453894).

The spelling of 16313222533 in words is "sixteen billion, three hundred thirteen million, two hundred twenty-two thousand, five hundred thirty-three".