1100431429 has 2 divisors, whose sum is σ = 1100431430. Its totient is φ = 1100431428.

The previous prime is 1100431373. The next prime is 1100431463. The reversal of 1100431429 is 9241340011.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 985834404 + 114597025 = 31398^2 + 10705^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100431429 - 2¹³ = 1100423237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100431499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550215714 + 550215715.

It is an arithmetic number, because the mean of its divisors is an integer number (550215715).

Almost surely, 2^1100431429 is an apocalyptic number.

It is an amenable number.

1100431429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100431429 is an equidigital number, since it uses as much as digits as its factorization.

1100431429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1100431429 is about 33172.7513028389. The cubic root of 1100431429 is about 1032.4150540523.

The spelling of 1100431429 in words is "one billion, one hundred million, four hundred thirty-one thousand, four hundred twenty-nine".