31063542 has 16 divisors (see below), whose sum is σ = 62242752. Its totient is φ = 10335240.

The previous prime is 31063531. The next prime is 31063561. The reversal of 31063542 is 24536013.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1108 + ... + 7959.

It is an arithmetic number, because the mean of its divisors is an integer number (3890172).

Almost surely, 2^31063542 is an apocalyptic number.

31063542 is an abundant number, since it is smaller than the sum of its proper divisors (31179210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31063542 is a wasteful number, since it uses less digits than its factorization.

31063542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9643.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 31063542 is about 5573.4676817938. The cubic root of 31063542 is about 314.3525527464.

Adding to 31063542 its reverse (24536013), we get a palindrome (55599555).

The spelling of 31063542 in words is "thirty-one million, sixty-three thousand, five hundred forty-two".