1303223322251 has 2 divisors, whose sum is σ = 1303223322252. Its totient is φ = 1303223322250.

The previous prime is 1303223322209. The next prime is 1303223322257. The reversal of 1303223322251 is 1522233223031.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1303223322251 is a prime.

It is not a weakly prime, because it can be changed into another prime (1303223322257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651611661125 + 651611661126.

It is an arithmetic number, because the mean of its divisors is an integer number (651611661126).

Almost surely, 2^{1303223322251} is an apocalyptic number.

1303223322251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303223322251 is an equidigital number, since it uses as much as digits as its factorization.

1303223322251 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 29.

Adding to 1303223322251 its reverse (1522233223031), we get a palindrome (2825456545282).

The spelling of 1303223322251 in words is "one trillion, three hundred three billion, two hundred twenty-three million, three hundred twenty-two thousand, two hundred fifty-one".