542031531231 has 16 divisors (see below), whose sum is σ = 723536031456. Its totient is φ = 360940934016.

The previous prime is 542031531211. The next prime is 542031531233. The reversal of 542031531231 is 132135130245.

It is not a de Polignac number, because 542031531231 - 2¹⁰ = 542031530207 is a prime.

It is a super-2 number, since 2×542031531231² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542031531233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9518961 + ... + 9575733.

It is an arithmetic number, because the mean of its divisors is an integer number (45221001966).

Almost surely, 2^542031531231 is an apocalyptic number.

542031531231 is a deficient number, since it is larger than the sum of its proper divisors (181504500225).

542031531231 is a wasteful number, since it uses less digits than its factorization.

542031531231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60362.

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

Adding to 542031531231 its reverse (132135130245), we get a palindrome (674166661476).

The spelling of 542031531231 in words is "five hundred forty-two billion, thirty-one million, five hundred thirty-one thousand, two hundred thirty-one".