31030130230 has 32 divisors (see below), whose sum is σ = 61041405600. Its totient is φ = 11263403520.

The previous prime is 31030130167. The next prime is 31030130273. The reversal of 31030130230 is 3203103013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191955 + ... + 314494.

It is an arithmetic number, because the mean of its divisors is an integer number (1907543925).

Almost surely, 2^31030130230 is an apocalyptic number.

31030130230 is a deficient number, since it is larger than the sum of its proper divisors (30011275370).

31030130230 is a wasteful number, since it uses less digits than its factorization.

31030130230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507024.

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 31030130230 its reverse (3203103013), we get a palindrome (34233233243).

The spelling of 31030130230 in words is "thirty-one billion, thirty million, one hundred thirty thousand, two hundred thirty".