240279142331 has 4 divisors (see below), whose sum is σ = 252925413000. Its totient is φ = 227632871664.

The previous prime is 240279142211. The next prime is 240279142357. The reversal of 240279142331 is 133241972042.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133241972042 = 2 ⋅66620986021.

It is not a de Polignac number, because 240279142331 - 2¹⁰ = 240279141307 is a prime.

It is a super-2 number, since 2×240279142331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240279142031) 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, 6323135306 + ... + 6323135343.

It is an arithmetic number, because the mean of its divisors is an integer number (63231353250).

Almost surely, 2^240279142331 is an apocalyptic number.

240279142331 is a deficient number, since it is larger than the sum of its proper divisors (12646270669).

240279142331 is a wasteful number, since it uses less digits than its factorization.

240279142331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12646270668.

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 240279142331 in words is "two hundred forty billion, two hundred seventy-nine million, one hundred forty-two thousand, three hundred thirty-one".