1131302429 has 2 divisors, whose sum is σ = 1131302430. Its totient is φ = 1131302428.

The previous prime is 1131302413. The next prime is 1131302443. The reversal of 1131302429 is 9242031311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 967334404 + 163968025 = 31102^2 + 12805^2 .

It is an emirp because it is prime and its reverse (9242031311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1131302429 - 2⁴ = 1131302413 is a prime.

It is a super-2 number, since 2×1131302429² = 2559690371722600082, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1131302398 and 1131302407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131302479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565651214 + 565651215.

It is an arithmetic number, because the mean of its divisors is an integer number (565651215).

Almost surely, 2^1131302429 is an apocalyptic number.

It is an amenable number.

1131302429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131302429 is an equidigital number, since it uses as much as digits as its factorization.

1131302429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1131302429 is about 33634.8395120298. The cubic root of 1131302429 is about 1041.9804560985.

The spelling of 1131302429 in words is "one billion, one hundred thirty-one million, three hundred two thousand, four hundred twenty-nine".