1031223001 has 2 divisors, whose sum is σ = 1031223002. Its totient is φ = 1031223000.

The previous prime is 1031222993. The next prime is 1031223007. The reversal of 1031223001 is 1003221301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1021761225 + 9461776 = 31965^2 + 3076^2 .

It is an emirp because it is prime and its reverse (1003221301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1031223001 - 2³ = 1031222993 is a prime.

It is not a weakly prime, because it can be changed into another prime (1031223007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515611500 + 515611501.

It is an arithmetic number, because the mean of its divisors is an integer number (515611501).

Almost surely, 2^1031223001 is an apocalyptic number.

It is an amenable number.

1031223001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031223001 is an equidigital number, since it uses as much as digits as its factorization.

1031223001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1031223001 is about 32112.6610700515. The cubic root of 1031223001 is about 1010.3011881542.

Adding to 1031223001 its reverse (1003221301), we get a palindrome (2034444302).

The spelling of 1031223001 in words is "one billion, thirty-one million, two hundred twenty-three thousand, one".