1163830531 has 2 divisors, whose sum is σ = 1163830532. Its totient is φ = 1163830530.

The previous prime is 1163830517. The next prime is 1163830559. The reversal of 1163830531 is 1350383611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1163830531 - 2¹³ = 1163822339 is a prime.

It is a super-2 number, since 2×1163830531² = 2709003009775483922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1163830493 and 1163830502.

It is not a weakly prime, because it can be changed into another prime (1163830571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581915265 + 581915266.

It is an arithmetic number, because the mean of its divisors is an integer number (581915266).

Almost surely, 2^1163830531 is an apocalyptic number.

1163830531 is a deficient number, since it is larger than the sum of its proper divisors (1).

1163830531 is an equidigital number, since it uses as much as digits as its factorization.

1163830531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 1163830531 is about 34114.9605158792. The cubic root of 1163830531 is about 1051.8728572965.

The spelling of 1163830531 in words is "one billion, one hundred sixty-three million, eight hundred thirty thousand, five hundred thirty-one".