312211132230 has 16 divisors (see below), whose sum is σ = 749306717424. Its totient is φ = 83256301920.

The previous prime is 312211132201. The next prime is 312211132267. The reversal of 312211132230 is 32231112213.

It is a junction number, because it is equal to n+sod(n) for n = 312211132197 and 312211132206.

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, 5203518841 + ... + 5203518900.

It is an arithmetic number, because the mean of its divisors is an integer number (46831669839).

Almost surely, 2^312211132230 is an apocalyptic number.

312211132230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

312211132230 is an abundant number, since it is smaller than the sum of its proper divisors (437095585194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312211132230 is a wasteful number, since it uses less digits than its factorization.

312211132230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10407037751.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 312211132230 its reverse (32231112213), we get a palindrome (344442244443).

The spelling of 312211132230 in words is "three hundred twelve billion, two hundred eleven million, one hundred thirty-two thousand, two hundred thirty".