312203031230 has 32 divisors (see below), whose sum is σ = 608859988704. Its totient is φ = 114801878016.

The previous prime is 312203031211. The next prime is 312203031263. The reversal of 312203031230 is 32130302213.

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, 21347207 + ... + 21361826.

It is an arithmetic number, because the mean of its divisors is an integer number (19026874647).

Almost surely, 2^312203031230 is an apocalyptic number.

312203031230 is a deficient number, since it is larger than the sum of its proper divisors (296656957474).

312203031230 is a wasteful number, since it uses less digits than its factorization.

312203031230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42709100.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 312203031230 its reverse (32130302213), we get a palindrome (344333333443).

The spelling of 312203031230 in words is "three hundred twelve billion, two hundred three million, thirty-one thousand, two hundred thirty".