312210031133 has 64 divisors (see below), whose sum is σ = 444451069440. Its totient is φ = 211070361600.

The previous prime is 312210031129. The next prime is 312210031139. The reversal of 312210031133 is 331130012213.

It is not a de Polignac number, because 312210031133 - 2² = 312210031129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312210031139) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12937883 + ... + 12961991.

It is an arithmetic number, because the mean of its divisors is an integer number (6944547960).

Almost surely, 2^312210031133 is an apocalyptic number.

It is an amenable number.

312210031133 is a deficient number, since it is larger than the sum of its proper divisors (132241038307).

312210031133 is a wasteful number, since it uses less digits than its factorization.

312210031133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24918.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 312210031133 its reverse (331130012213), we get a palindrome (643340043346).

The spelling of 312210031133 in words is "three hundred twelve billion, two hundred ten million, thirty-one thousand, one hundred thirty-three".