542241131 has 4 divisors (see below), whose sum is σ = 547505712. Its totient is φ = 536976552.

The previous prime is 542241127. The next prime is 542241191. The reversal of 542241131 is 131142245.

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 542241131 - 2² = 542241127 is a prime.

It is a super-2 number, since 2×542241131² = 588050888296318322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 542241097 and 542241106.

It is not an unprimeable number, because it can be changed into a prime (542241191) 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, 2632136 + ... + 2632341.

It is an arithmetic number, because the mean of its divisors is an integer number (136876428).

Almost surely, 2^542241131 is an apocalyptic number.

542241131 is a deficient number, since it is larger than the sum of its proper divisors (5264581).

542241131 is a wasteful number, since it uses less digits than its factorization.

542241131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5264580.

The product of its digits is 960, while the sum is 23.

The square root of 542241131 is about 23286.0716094407. The cubic root of 542241131 is about 815.4502792385.

Adding to 542241131 its reverse (131142245), we get a palindrome (673383376).

It can be divided in two parts, 54224 and 1131, that added together give a palindrome (55355).

The spelling of 542241131 in words is "five hundred forty-two million, two hundred forty-one thousand, one hundred thirty-one".