1020203224331 has 2 divisors, whose sum is σ = 1020203224332. Its totient is φ = 1020203224330.

The previous prime is 1020203224303. The next prime is 1020203224333. The reversal of 1020203224331 is 1334223020201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020203224331 is a prime.

It is a super-2 number, since 2×1020203224331² (a number of 25 digits) contains 22 as substring.

Together with 1020203224333, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1020203224297 and 1020203224306.

It is not a weakly prime, because it can be changed into another prime (1020203224333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510101612165 + 510101612166.

It is an arithmetic number, because the mean of its divisors is an integer number (510101612166).

Almost surely, 2^{1020203224331} is an apocalyptic number.

1020203224331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020203224331 is an equidigital number, since it uses as much as digits as its factorization.

1020203224331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 1020203224331 its reverse (1334223020201), we get a palindrome (2354426244532).

The spelling of 1020203224331 in words is "one trillion, twenty billion, two hundred three million, two hundred twenty-four thousand, three hundred thirty-one".