1163425331 has 4 divisors (see below), whose sum is σ = 1168253064. Its totient is φ = 1158597600.

The previous prime is 1163425303. The next prime is 1163425339. The reversal of 1163425331 is 1335243611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1163425331 - 2¹⁰ = 1163424307 is a prime.

It is a super-2 number, since 2×1163425331² = 2707117001624919122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1163425294 and 1163425303.

It is not an unprimeable number, because it can be changed into a prime (1163425339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2413505 + ... + 2413986.

It is an arithmetic number, because the mean of its divisors is an integer number (292063266).

Almost surely, 2^1163425331 is an apocalyptic number.

1163425331 is a deficient number, since it is larger than the sum of its proper divisors (4827733).

1163425331 is an equidigital number, since it uses as much as digits as its factorization.

1163425331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4827732.

The product of its digits is 6480, while the sum is 29.

The square root of 1163425331 is about 34109.0212553805. The cubic root of 1163425331 is about 1051.7507695457.

Adding to 1163425331 its reverse (1335243611), we get a palindrome (2498668942).

The spelling of 1163425331 in words is "one billion, one hundred sixty-three million, four hundred twenty-five thousand, three hundred thirty-one".