1131030201 has 24 divisors (see below), whose sum is σ = 1755700320. Its totient is φ = 645769152.

The previous prime is 1131030193. The next prime is 1131030209. The reversal of 1131030201 is 1020301311.

It is an interprime number because it is at equal distance from previous prime (1131030193) and next prime (1131030209).

It is not a de Polignac number, because 1131030201 - 2³ = 1131030193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1131030209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 236805 + ... + 241533.

It is an arithmetic number, because the mean of its divisors is an integer number (73154180).

Almost surely, 2^1131030201 is an apocalyptic number.

It is an amenable number.

1131030201 is a deficient number, since it is larger than the sum of its proper divisors (624670119).

1131030201 is a wasteful number, since it uses less digits than its factorization.

1131030201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6373 (or 6366 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1131030201 is about 33630.7924527508. The cubic root of 1131030201 is about 1041.8968713135.

Adding to 1131030201 its reverse (1020301311), we get a palindrome (2151331512).

The spelling of 1131030201 in words is "one billion, one hundred thirty-one million, thirty thousand, two hundred one".