31320220223053 has 2 divisors, whose sum is σ = 31320220223054. Its totient is φ = 31320220223052.

The previous prime is 31320220222999. The next prime is 31320220223069. The reversal of 31320220223053 is 35032202202313.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30693838200804 + 626382022249 = 5540202^2 + 791443^2 .

It is an emirp because it is prime and its reverse (35032202202313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31320220223053 - 2¹⁷ = 31320220091981 is a prime.

It is a super-2 number, since 2×31320220223053² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31320220221053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15660110111526 + 15660110111527.

It is an arithmetic number, because the mean of its divisors is an integer number (15660110111527).

Almost surely, 2^{31320220223053} is an apocalyptic number.

It is an amenable number.

31320220223053 is a deficient number, since it is larger than the sum of its proper divisors (1).

31320220223053 is an equidigital number, since it uses as much as digits as its factorization.

31320220223053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 28.

Adding to 31320220223053 its reverse (35032202202313), we get a palindrome (66352422425366).

The spelling of 31320220223053 in words is "thirty-one trillion, three hundred twenty billion, two hundred twenty million, two hundred twenty-three thousand, fifty-three".