2311241040 has 120 divisors (see below), whose sum is σ = 8049463968. Its totient is φ = 616325760.

The previous prime is 2311241033. The next prime is 2311241041. The reversal of 2311241040 is 401421132.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311241041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40006 + ... + 78885.

Almost surely, 2^2311241040 is an apocalyptic number.

2311241040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2311241040 is an abundant number, since it is smaller than the sum of its proper divisors (5738222928).

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

2311241040 is a wasteful number, since it uses less digits than its factorization.

2311241040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118919 (or 118901 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2311241040 is about 48075.3683293222. The cubic root of 2311241040 is about 1322.1530976686.

Adding to 2311241040 its reverse (401421132), we get a palindrome (2712662172).

The spelling of 2311241040 in words is "two billion, three hundred eleven million, two hundred forty-one thousand, forty".