1080861331 has 16 divisors (see below), whose sum is σ = 1205107200. Its totient is φ = 961178400.

The previous prime is 1080861323. The next prime is 1080861361. The reversal of 1080861331 is 1331680801.

It is a cyclic number.

It is not a de Polignac number, because 1080861331 - 2³ = 1080861323 is a prime.

It is a super-2 number, since 2×1080861331² = 2336522433702183122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1080861293 and 1080861302.

It is not an unprimeable number, because it can be changed into a prime (1080861361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89016 + ... + 100426.

It is an arithmetic number, because the mean of its divisors is an integer number (75319200).

Almost surely, 2^1080861331 is an apocalyptic number.

1080861331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1080861331 is a deficient number, since it is larger than the sum of its proper divisors (124245869).

1080861331 is a wasteful number, since it uses less digits than its factorization.

1080861331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11610.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 1080861331 is about 32876.4555723393. The cubic root of 1080861331 is about 1026.2582465092.

The spelling of 1080861331 in words is "one billion, eighty million, eight hundred sixty-one thousand, three hundred thirty-one".