1131301169 has 2 divisors, whose sum is σ = 1131301170. Its totient is φ = 1131301168.

The previous prime is 1131301133. The next prime is 1131301219. The reversal of 1131301169 is 9611031311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 598291600 + 533009569 = 24460^2 + 23087^2 .

It is a cyclic number.

It is not a de Polignac number, because 1131301169 - 2¹² = 1131297073 is a prime.

It is a super-2 number, since 2×1131301169² = 2559684669961533122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1131301109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565650584 + 565650585.

It is an arithmetic number, because the mean of its divisors is an integer number (565650585).

Almost surely, 2^1131301169 is an apocalyptic number.

It is an amenable number.

1131301169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131301169 is an equidigital number, since it uses as much as digits as its factorization.

1131301169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 1131301169 is about 33634.8207814461. The cubic root of 1131301169 is about 1041.9800692595.

The spelling of 1131301169 in words is "one billion, one hundred thirty-one million, three hundred one thousand, one hundred sixty-nine".