1131202301 has 2 divisors, whose sum is σ = 1131202302. Its totient is φ = 1131202300.

The previous prime is 1131202291. The next prime is 1131202309. The reversal of 1131202301 is 1032021311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 583174201 + 548028100 = 24149^2 + 23410^2 .

It is a cyclic number.

It is not a de Polignac number, because 1131202301 - 2¹⁸ = 1130940157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131202309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565601150 + 565601151.

It is an arithmetic number, because the mean of its divisors is an integer number (565601151).

Almost surely, 2^1131202301 is an apocalyptic number.

It is an amenable number.

1131202301 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131202301 is an equidigital number, since it uses as much as digits as its factorization.

1131202301 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 14.

The square root of 1131202301 is about 33633.3510224598. The cubic root of 1131202301 is about 1041.9497143933.

Adding to 1131202301 its reverse (1032021311), we get a palindrome (2163223612).

The spelling of 1131202301 in words is "one billion, one hundred thirty-one million, two hundred two thousand, three hundred one".