1240550132331 has 4 divisors (see below), whose sum is σ = 1654066843112. Its totient is φ = 827033421552.

The previous prime is 1240550132329. The next prime is 1240550132357. The reversal of 1240550132331 is 1332310550421.

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

It is not a de Polignac number, because 1240550132331 - 2¹ = 1240550132329 is a prime.

It is a super-2 number, since 2×1240550132331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1240550132321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206758355386 + ... + 206758355391.

It is an arithmetic number, because the mean of its divisors is an integer number (413516710778).

Almost surely, 2^{1240550132331} is an apocalyptic number.

1240550132331 is a deficient number, since it is larger than the sum of its proper divisors (413516710781).

1240550132331 is an equidigital number, since it uses as much as digits as its factorization.

1240550132331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413516710780.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 1240550132331 its reverse (1332310550421), we get a palindrome (2572860682752).

The spelling of 1240550132331 in words is "one trillion, two hundred forty billion, five hundred fifty million, one hundred thirty-two thousand, three hundred thirty-one".