3183230473921 has 9 divisors (see below), whose sum is σ = 3188121221961. Its totient is φ = 3178347225264.

The previous prime is 3183230473903. The next prime is 3183230473993. The reversal of 3183230473921 is 1293740323813.

The square root of 3183230473921 is 1784161.

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

3183230473921 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3568321 + 3183226905600 = 1889^2 + 1784160^2 .

It is not a de Polignac number, because 3183230473921 - 2¹¹ = 3183230471873 is a prime.

It is a super-2 number, since 2×3183230473921² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3183230473121) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1907267275 + ... + 1907268943.

It is an arithmetic number, because the mean of its divisors is an integer number (354235691329).

Almost surely, 2^{3183230473921} is an apocalyptic number.

3183230473921 is the 1784161-st square number.

3183230473921 is the 892081-st centered octagonal number.

It is an amenable number.

3183230473921 is a deficient number, since it is larger than the sum of its proper divisors (4890748040).

3183230473921 is an frugal number, since it uses more digits than its factorization.

3183230473921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5476 (or 2738 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 46.

The spelling of 3183230473921 in words is "three trillion, one hundred eighty-three billion, two hundred thirty million, four hundred seventy-three thousand, nine hundred twenty-one".