31146230 has 16 divisors (see below), whose sum is σ = 57579120. Its totient is φ = 12121632.

The previous prime is 31146229. The next prime is 31146239. The reversal of 31146230 is 3264113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31146239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41720 + ... + 42459.

It is an arithmetic number, because the mean of its divisors is an integer number (3598695).

Almost surely, 2^31146230 is an apocalyptic number.

31146230 is a deficient number, since it is larger than the sum of its proper divisors (26432890).

31146230 is a wasteful number, since it uses less digits than its factorization.

31146230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84223.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 31146230 is about 5580.8807548630. The cubic root of 31146230 is about 314.6312304987.

The spelling of 31146230 in words is "thirty-one million, one hundred forty-six thousand, two hundred thirty".