1080808031 has 4 divisors (see below), whose sum is σ = 1144384992. Its totient is φ = 1017231072.

The previous prime is 1080808007. The next prime is 1080808051. The reversal of 1080808031 is 1308080801.

It is a happy number.

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 1080808031 - 2³⁰ = 7066207 is a prime.

It is a super-3 number, since 3×1080808031³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1080807985 and 1080808003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080808051) 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, 31788455 + ... + 31788488.

It is an arithmetic number, because the mean of its divisors is an integer number (286096248).

Almost surely, 2^1080808031 is an apocalyptic number.

1080808031 is a deficient number, since it is larger than the sum of its proper divisors (63576961).

1080808031 is an equidigital number, since it uses as much as digits as its factorization.

1080808031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63576960.

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 1080808031 is about 32875.6449518485. The cubic root of 1080808031 is about 1026.2413771039.

Adding to 1080808031 its reverse (1308080801), we get a palindrome (2388888832).

The spelling of 1080808031 in words is "one billion, eighty million, eight hundred eight thousand, thirty-one".