31980062 has 8 divisors (see below), whose sum is σ = 49266696. Its totient is φ = 15557832.

The previous prime is 31980061. The next prime is 31980083. The reversal of 31980062 is 26008913.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31980061) 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 3 ways as a sum of consecutive naturals, for example, 216008 + ... + 216155.

It is an arithmetic number, because the mean of its divisors is an integer number (6158337).

Almost surely, 2^31980062 is an apocalyptic number.

31980062 is a deficient number, since it is larger than the sum of its proper divisors (17286634).

31980062 is a wasteful number, since it uses less digits than its factorization.

31980062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432202.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 31980062 is about 5655.0916880277. The cubic root of 31980062 is about 317.4142600235.

Adding to 31980062 its reverse (26008913), we get a palindrome (57988975).

The spelling of 31980062 in words is "thirty-one million, nine hundred eighty thousand, sixty-two".