2231541231 has 16 divisors (see below), whose sum is σ = 3090232320. Its totient is φ = 1430861760.

The previous prime is 2231541229. The next prime is 2231541251. The reversal of 2231541231 is 1321451322.

2231541231 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2231541231 - 2¹ = 2231541229 is a prime.

It is a super-3 number, since 3×2231541231³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231541211) 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, 58446 + ... + 88763.

It is an arithmetic number, because the mean of its divisors is an integer number (193139520).

Almost surely, 2^2231541231 is an apocalyptic number.

2231541231 is a deficient number, since it is larger than the sum of its proper divisors (858691089).

2231541231 is a wasteful number, since it uses less digits than its factorization.

2231541231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147406.

The product of its digits is 1440, while the sum is 24.

The square root of 2231541231 is about 47239.1916844478. The cubic root of 2231541231 is about 1306.7774707407. Note that the first 3 decimals are identical.

Adding to 2231541231 its reverse (1321451322), we get a palindrome (3552992553).

It can be divided in two parts, 22315 and 41231, that added together give a triangular number (63546 = T₃₅₆).

The spelling of 2231541231 in words is "two billion, two hundred thirty-one million, five hundred forty-one thousand, two hundred thirty-one".