2231140431 has 16 divisors (see below), whose sum is σ = 3271855104. Its totient is φ = 1343795424.

The previous prime is 2231140421. The next prime is 2231140447. The reversal of 2231140431 is 1340411322.

It is not a de Polignac number, because 2231140431 - 2⁹ = 2231139919 is a prime.

It is a super-3 number, since 3×2231140431³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 2231140398 and 2231140407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231140421) 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, 606771 + ... + 610436.

It is an arithmetic number, because the mean of its divisors is an integer number (204490944).

Almost surely, 2^2231140431 is an apocalyptic number.

2231140431 is a deficient number, since it is larger than the sum of its proper divisors (1040714673).

2231140431 is a wasteful number, since it uses less digits than its factorization.

2231140431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217270.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2231140431 is about 47234.9492537041. The cubic root of 2231140431 is about 1306.6992306791.

Adding to 2231140431 its reverse (1340411322), we get a palindrome (3571551753).

The spelling of 2231140431 in words is "two billion, two hundred thirty-one million, one hundred forty thousand, four hundred thirty-one".