1151344531 has 2 divisors, whose sum is σ = 1151344532. Its totient is φ = 1151344530.

The previous prime is 1151344529. The next prime is 1151344547. The reversal of 1151344531 is 1354431511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1151344531 - 2¹ = 1151344529 is a prime.

It is a super-2 number, since 2×1151344531² = 2651188458127219922, which contains 22 as substring.

Together with 1151344529, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1151344531.

It is not a weakly prime, because it can be changed into another prime (1151344031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575672265 + 575672266.

It is an arithmetic number, because the mean of its divisors is an integer number (575672266).

Almost surely, 2^1151344531 is an apocalyptic number.

1151344531 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151344531 is an equidigital number, since it uses as much as digits as its factorization.

1151344531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 28.

The square root of 1151344531 is about 33931.4681527340. The cubic root of 1151344531 is about 1048.0976988124.

The spelling of 1151344531 in words is "one billion, one hundred fifty-one million, three hundred forty-four thousand, five hundred thirty-one".