31420606 has 16 divisors (see below), whose sum is σ = 54179424. Its totient is φ = 13387104.

The previous prime is 31420603. The next prime is 31420619. The reversal of 31420606 is 60602413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31420603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4065 + ... + 8908.

It is an arithmetic number, because the mean of its divisors is an integer number (3386214).

Almost surely, 2^31420606 is an apocalyptic number.

31420606 is a deficient number, since it is larger than the sum of its proper divisors (22758818).

31420606 is a wasteful number, since it uses less digits than its factorization.

31420606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13155.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 31420606 is about 5605.4086380923. The cubic root of 31420606 is about 315.5524227594.

The spelling of 31420606 in words is "thirty-one million, four hundred twenty thousand, six hundred six".