542540303351231 has 4 divisors (see below), whose sum is σ = 542543565564000. Its totient is φ = 542537041138464.

The previous prime is 542540303351219. The next prime is 542540303351393. The reversal of 542540303351231 is 132153303045245.

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 542540303351231 - 2¹⁰ = 542540303350207 is a prime.

It is a super-2 number, since 2×542540303351231² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542540303357231) 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, 1630856906 + ... + 1631189543.

It is an arithmetic number, because the mean of its divisors is an integer number (135635891391000).

Almost surely, 2^{542540303351231} is an apocalyptic number.

542540303351231 is a deficient number, since it is larger than the sum of its proper divisors (3262212769).

542540303351231 is a wasteful number, since it uses less digits than its factorization.

542540303351231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3262212768.

The product of its (nonzero) digits is 648000, while the sum is 41.

Adding to 542540303351231 its reverse (132153303045245), we get a palindrome (674693606396476).

The spelling of 542540303351231 in words is "five hundred forty-two trillion, five hundred forty billion, three hundred three million, three hundred fifty-one thousand, two hundred thirty-one".