542111431 has 8 divisors (see below), whose sum is σ = 547601904. Its totient is φ = 536647680.

The previous prime is 542111417. The next prime is 542111459. The reversal of 542111431 is 134111245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 542111431 - 2⁵ = 542111399 is a prime.

It is a super-2 number, since 2×542111431² = 587769607241735522, which 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 (542111491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35421 + ... + 48361.

It is an arithmetic number, because the mean of its divisors is an integer number (68450238).

Almost surely, 2^542111431 is an apocalyptic number.

542111431 is a deficient number, since it is larger than the sum of its proper divisors (5490473).

542111431 is a wasteful number, since it uses less digits than its factorization.

542111431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13361.

The product of its digits is 480, while the sum is 22.

The square root of 542111431 is about 23283.2865162975. The cubic root of 542111431 is about 815.3852575295.

Adding to 542111431 its reverse (134111245), we get a palindrome (676222676).

The spelling of 542111431 in words is "five hundred forty-two million, one hundred eleven thousand, four hundred thirty-one".