31064542 has 16 divisors (see below), whose sum is σ = 50931072. Its totient is φ = 14146560.

The previous prime is 31064521. The next prime is 31064543. The reversal of 31064542 is 24546013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31064543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13683 + ... + 15790.

It is an arithmetic number, because the mean of its divisors is an integer number (3183192).

Almost surely, 2^31064542 is an apocalyptic number.

31064542 is a deficient number, since it is larger than the sum of its proper divisors (19866530).

31064542 is a wasteful number, since it uses less digits than its factorization.

31064542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29523.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 31064542 is about 5573.5573918280. The cubic root of 31064542 is about 314.3559259310.

The spelling of 31064542 in words is "thirty-one million, sixty-four thousand, five hundred forty-two".