312120230 has 16 divisors (see below), whose sum is σ = 574882704. Its totient is φ = 121944480.

The previous prime is 312120229. The next prime is 312120251. The reversal of 312120230 is 32021213.

It is a happy number.

312120230 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 362501 + ... + 363360.

It is an arithmetic number, because the mean of its divisors is an integer number (35930169).

Almost surely, 2^312120230 is an apocalyptic number.

312120230 is a deficient number, since it is larger than the sum of its proper divisors (262762474).

312120230 is a wasteful number, since it uses less digits than its factorization.

312120230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725911.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 312120230 is about 17666.9247465426. The cubic root of 312120230 is about 678.3293982162.

Adding to 312120230 its reverse (32021213), we get a palindrome (344141443).

The spelling of 312120230 in words is "three hundred twelve million, one hundred twenty thousand, two hundred thirty".