2231241540 has 48 divisors (see below), whose sum is σ = 6815430720. Its totient is φ = 540906880.

The previous prime is 2231241533. The next prime is 2231241547. The reversal of 2231241540 is 451421322.

It is an interprime number because it is at equal distance from previous prime (2231241533) and next prime (2231241547).

It is a super-3 number, since 3×2231241540³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2231241540.

It is not an unprimeable number, because it can be changed into a prime (2231241547) 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, 1689675 + ... + 1690994.

It is an arithmetic number, because the mean of its divisors is an integer number (141988140).

Almost surely, 2^2231241540 is an apocalyptic number.

2231241540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231241540 is an abundant number, since it is smaller than the sum of its proper divisors (4584189180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2231241540 is a wasteful number, since it uses less digits than its factorization.

2231241540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3380692 (or 3380690 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2231241540 is about 47236.0195190069. The cubic root of 2231241540 is about 1306.7189690238.

Adding to 2231241540 its reverse (451421322), we get a palindrome (2682662862).

The spelling of 2231241540 in words is "two billion, two hundred thirty-one million, two hundred forty-one thousand, five hundred forty".