542233542631 has 32 divisors (see below), whose sum is σ = 648291409920. Its totient is φ = 447752102400.

The previous prime is 542233542629. The next prime is 542233542679. The reversal of 542233542631 is 136245332245.

It is a cyclic number.

It is not a de Polignac number, because 542233542631 - 2¹ = 542233542629 is a prime.

It is a super-2 number, since 2×542233542631² (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 (542233542611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2000065 + ... + 2254933.

It is an arithmetic number, because the mean of its divisors is an integer number (20259106560).

Almost surely, 2^542233542631 is an apocalyptic number.

542233542631 is a deficient number, since it is larger than the sum of its proper divisors (106057867289).

542233542631 is a wasteful number, since it uses less digits than its factorization.

542233542631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255295.

The product of its digits is 518400, while the sum is 40.

Adding to 542233542631 its reverse (136245332245), we get a palindrome (678478874876).

The spelling of 542233542631 in words is "five hundred forty-two billion, two hundred thirty-three million, five hundred forty-two thousand, six hundred thirty-one".