331230021053 has 2 divisors, whose sum is σ = 331230021054. Its totient is φ = 331230021052.

The previous prime is 331230020921. The next prime is 331230021071. The reversal of 331230021053 is 350120032133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 274301492644 + 56928528409 = 523738^2 + 238597^2 .

It is an emirp because it is prime and its reverse (350120032133) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 331230021053 - 2¹⁰ = 331230020029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331230021253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165615010526 + 165615010527.

It is an arithmetic number, because the mean of its divisors is an integer number (165615010527).

Almost surely, 2^331230021053 is an apocalyptic number.

It is an amenable number.

331230021053 is a deficient number, since it is larger than the sum of its proper divisors (1).

331230021053 is an equidigital number, since it uses as much as digits as its factorization.

331230021053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 23.

Adding to 331230021053 its reverse (350120032133), we get a palindrome (681350053186).

The spelling of 331230021053 in words is "three hundred thirty-one billion, two hundred thirty million, twenty-one thousand, fifty-three".