1361033203 has 2 divisors, whose sum is σ = 1361033204. Its totient is φ = 1361033202.

The previous prime is 1361033189. The next prime is 1361033263. The reversal of 1361033203 is 3023301631.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1361033203 is a prime.

It is a super-2 number, since 2×1361033203² = 3704822759336878418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1361033263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680516601 + 680516602.

It is an arithmetic number, because the mean of its divisors is an integer number (680516602).

Almost surely, 2^1361033203 is an apocalyptic number.

1361033203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361033203 is an equidigital number, since it uses as much as digits as its factorization.

1361033203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 22.

The square root of 1361033203 is about 36892.1834946103. The cubic root of 1361033203 is about 1108.2121485431.

Adding to 1361033203 its reverse (3023301631), we get a palindrome (4384334834).

The spelling of 1361033203 in words is "one billion, three hundred sixty-one million, thirty-three thousand, two hundred three".