1153422031 has 2 divisors, whose sum is σ = 1153422032. Its totient is φ = 1153422030.

The previous prime is 1153422029. The next prime is 1153422047. The reversal of 1153422031 is 1302243511.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1153422031 - 2¹ = 1153422029 is a prime.

It is a super-3 number, since 3×1153422031³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 1153422029, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1153421993 and 1153422011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1153422931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576711015 + 576711016.

It is an arithmetic number, because the mean of its divisors is an integer number (576711016).

Almost surely, 2^1153422031 is an apocalyptic number.

1153422031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1153422031 is an equidigital number, since it uses as much as digits as its factorization.

1153422031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1153422031 is about 33962.0675312914. The cubic root of 1153422031 is about 1048.7277200806.

Adding to 1153422031 its reverse (1302243511), we get a palindrome (2455665542).

The spelling of 1153422031 in words is "one billion, one hundred fifty-three million, four hundred twenty-two thousand, thirty-one".