31166030 has 16 divisors (see below), whose sum is σ = 64113120. Its totient is φ = 10685472.

The previous prime is 31166021. The next prime is 31166111. The reversal of 31166030 is 3066113.

It is a junction number, because it is equal to n+sod(n) for n = 31165993 and 31166011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222545 + ... + 222684.

It is an arithmetic number, because the mean of its divisors is an integer number (4007070).

Almost surely, 2^31166030 is an apocalyptic number.

31166030 is an abundant number, since it is smaller than the sum of its proper divisors (32947090).

31166030 is a wasteful number, since it uses less digits than its factorization.

31166030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445243.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 31166030 is about 5582.6543865799. The cubic root of 31166030 is about 314.6978878837.

The spelling of 31166030 in words is "thirty-one million, one hundred sixty-six thousand, thirty".