240321049327531 has 2 divisors, whose sum is σ = 240321049327532. Its totient is φ = 240321049327530.

The previous prime is 240321049327529. The next prime is 240321049327559. The reversal of 240321049327531 is 135723940123042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 240321049327531 - 2¹ = 240321049327529 is a prime.

It is a super-2 number, since 2×240321049327531² (a number of 30 digits) contains 22 as substring.

Together with 240321049327529, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (240321049327561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120160524663765 + 120160524663766.

It is an arithmetic number, because the mean of its divisors is an integer number (120160524663766).

Almost surely, 2^{240321049327531} is an apocalyptic number.

240321049327531 is a deficient number, since it is larger than the sum of its proper divisors (1).

240321049327531 is an equidigital number, since it uses as much as digits as its factorization.

240321049327531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 46.

The spelling of 240321049327531 in words is "two hundred forty trillion, three hundred twenty-one billion, forty-nine million, three hundred twenty-seven thousand, five hundred thirty-one".