1075691431 has 2 divisors, whose sum is σ = 1075691432. Its totient is φ = 1075691430.

The previous prime is 1075691423. The next prime is 1075691497. The reversal of 1075691431 is 1341965701.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (1341965701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1075691431 - 2³ = 1075691423 is a prime.

It is a super-2 number, since 2×1075691431² = 2314224109453655522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1075691401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537845715 + 537845716.

It is an arithmetic number, because the mean of its divisors is an integer number (537845716).

Almost surely, 2^1075691431 is an apocalyptic number.

1075691431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1075691431 is an equidigital number, since it uses as much as digits as its factorization.

1075691431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 1075691431 is about 32797.7351504643. The cubic root of 1075691431 is about 1024.6193886481.

The spelling of 1075691431 in words is "one billion, seventy-five million, six hundred ninety-one thousand, four hundred thirty-one".