542320431 has 16 divisors (see below), whose sum is σ = 734145120. Its totient is φ = 356037120.

The previous prime is 542320411. The next prime is 542320459. The reversal of 542320431 is 134023245.

It is not a de Polignac number, because 542320431 - 2⁵ = 542320399 is a prime.

It is a super-2 number, since 2×542320431² = 588222899760051522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542320411) 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, 175641 + ... + 178701.

It is an arithmetic number, because the mean of its divisors is an integer number (45884070).

Almost surely, 2^542320431 is an apocalyptic number.

542320431 is a deficient number, since it is larger than the sum of its proper divisors (191824689).

542320431 is a wasteful number, since it uses less digits than its factorization.

542320431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3946.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 542320431 is about 23287.7742817986. The cubic root of 542320431 is about 815.4900291157.

Adding to 542320431 its reverse (134023245), we get a palindrome (676343676).

The spelling of 542320431 in words is "five hundred forty-two million, three hundred twenty thousand, four hundred thirty-one".