2240051531 has 4 divisors (see below), whose sum is σ = 2357949000. Its totient is φ = 2122154064.

The previous prime is 2240051509. The next prime is 2240051533. The reversal of 2240051531 is 1351500422.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2240051531 - 2²² = 2235857227 is a prime.

It is a super-2 number, since 2×2240051531² = 10035661723070887922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2240051497 and 2240051506.

It is not an unprimeable number, because it can be changed into a prime (2240051533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58948706 + ... + 58948743.

It is an arithmetic number, because the mean of its divisors is an integer number (589487250).

Almost surely, 2^2240051531 is an apocalyptic number.

2240051531 is a deficient number, since it is larger than the sum of its proper divisors (117897469).

2240051531 is a wasteful number, since it uses less digits than its factorization.

2240051531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117897468.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2240051531 is about 47329.1826572148. The cubic root of 2240051531 is about 1308.4365574103.

Adding to 2240051531 its reverse (1351500422), we get a palindrome (3591551953).

The spelling of 2240051531 in words is "two billion, two hundred forty million, fifty-one thousand, five hundred thirty-one".