3180940023361 has 3 divisors (see below), whose sum is σ = 3180941806881. Its totient is φ = 3180938239842.

The previous prime is 3180940023353. The next prime is 3180940023379. The reversal of 3180940023361 is 1633200490813.

It is a happy number.

The square root of 3180940023361 is 1783519.

It is a perfect power (a square), and thus also a powerful number.

3180940023361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 3180940023361 - 2³ = 3180940023353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3180940023301) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 891760 + ... + 2675278.

It is an arithmetic number, because the mean of its divisors is an integer number (1060313935627).

Almost surely, 2^{3180940023361} is an apocalyptic number.

3180940023361 is the 1783519-th square number.

3180940023361 is the 891760-th centered octagonal number.

It is an amenable number.

3180940023361 is a deficient number, since it is larger than the sum of its proper divisors (1783520).

3180940023361 is an frugal number, since it uses more digits than its factorization.

3180940023361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3567038 (or 1783519 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 40.

The spelling of 3180940023361 in words is "three trillion, one hundred eighty billion, nine hundred forty million, twenty-three thousand, three hundred sixty-one".