31233891835441 has 9 divisors (see below), whose sum is σ = 31434984047649. Its totient is φ = 31034078007504.

The previous prime is 31233891835417. The next prime is 31233891835457. The reversal of 31233891835441 is 14453819833213.

The square root of 31233891835441 is 5588729.

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

It can be written as a sum of positive squares in 4 ways, for example, as 11734248929841 + 19499642905600 = 3425529^2 + 4415840^2 .

It is not a de Polignac number, because 31233891835441 - 2¹⁹ = 31233891311153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31233891835541) 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, 877412655 + ... + 877448251.

Almost surely, 2^{31233891835441} is an apocalyptic number.

31233891835441 is the 5588729-th square number.

31233891835441 is the 2794365-th centered octagonal number.

It is an amenable number.

31233891835441 is a deficient number, since it is larger than the sum of its proper divisors (201092212208).

31233891835441 is an frugal number, since it uses more digits than its factorization.

31233891835441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71508 (or 35754 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 55.

The spelling of 31233891835441 in words is "thirty-one trillion, two hundred thirty-three billion, eight hundred ninety-one million, eight hundred thirty-five thousand, four hundred forty-one".