1163325631 has 8 divisors (see below), whose sum is σ = 1253118944. Its totient is φ = 1073576160.

The previous prime is 1163325617. The next prime is 1163325637. The reversal of 1163325631 is 1365233611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1163325631 - 2⁵ = 1163325599 is a prime.

It is a super-2 number, since 2×1163325631² = 2706653047483096322, 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 = 1163325593 and 1163325602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163325637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62365 + ... + 78841.

It is an arithmetic number, because the mean of its divisors is an integer number (156639868).

Almost surely, 2^1163325631 is an apocalyptic number.

1163325631 is a deficient number, since it is larger than the sum of its proper divisors (89793313).

1163325631 is a wasteful number, since it uses less digits than its factorization.

1163325631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21921.

The product of its digits is 9720, while the sum is 31.

The square root of 1163325631 is about 34107.5597338772. The cubic root of 1163325631 is about 1051.7207253465.

The spelling of 1163325631 in words is "one billion, one hundred sixty-three million, three hundred twenty-five thousand, six hundred thirty-one".