1152215131 has 2 divisors, whose sum is σ = 1152215132. Its totient is φ = 1152215130.

The previous prime is 1152215089. The next prime is 1152215159. The reversal of 1152215131 is 1315122511.

It is a strong prime.

It is an emirp because it is prime and its reverse (1315122511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1152215131 - 2⁷ = 1152215003 is a prime.

It is a super-2 number, since 2×1152215131² = 2655199416210694322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1152215531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576107565 + 576107566.

It is an arithmetic number, because the mean of its divisors is an integer number (576107566).

Almost surely, 2^1152215131 is an apocalyptic number.

1152215131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1152215131 is an equidigital number, since it uses as much as digits as its factorization.

1152215131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 300, while the sum is 22.

The square root of 1152215131 is about 33944.2945279468. The cubic root of 1152215131 is about 1048.3618085660.

Adding to 1152215131 its reverse (1315122511), we get a palindrome (2467337642).

The spelling of 1152215131 in words is "one billion, one hundred fifty-two million, two hundred fifteen thousand, one hundred thirty-one".