3131313230 has 16 divisors (see below), whose sum is σ = 5667855120. Its totient is φ = 1245527232.

The previous prime is 3131313223. The next prime is 3131313233. The reversal of 3131313230 is 323131313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131313233) 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, 872879 + ... + 876458.

It is an arithmetic number, because the mean of its divisors is an integer number (354240945).

Almost surely, 2^3131313230 is an apocalyptic number.

3131313230 is a deficient number, since it is larger than the sum of its proper divisors (2536541890).

3131313230 is a wasteful number, since it uses less digits than its factorization.

3131313230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749523.

The product of its (nonzero) digits is 486, while the sum is 20.

The square root of 3131313230 is about 55958.1381927598. The cubic root of 3131313230 is about 1462.9927400009.

Adding to 3131313230 its reverse (323131313), we get a palindrome (3454444543).

The spelling of 3131313230 in words is "three billion, one hundred thirty-one million, three hundred thirteen thousand, two hundred thirty".