312142233 has 16 divisors (see below), whose sum is σ = 454348160. Its totient is φ = 189454464.

The previous prime is 312142211. The next prime is 312142277. The reversal of 312142233 is 332241213.

It is not a de Polignac number, because 312142233 - 2¹⁶ = 312076697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (312143233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51973 + ... + 57666.

It is an arithmetic number, because the mean of its divisors is an integer number (28396760).

Almost surely, 2^312142233 is an apocalyptic number.

It is an amenable number.

312142233 is a deficient number, since it is larger than the sum of its proper divisors (142205927).

312142233 is a wasteful number, since it uses less digits than its factorization.

312142233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109728.

The product of its digits is 864, while the sum is 21.

The square root of 312142233 is about 17667.5474528866. The cubic root of 312142233 is about 678.3453375131.

Adding to 312142233 its reverse (332241213), we get a palindrome (644383446).

It can be divided in two parts, 3121 and 42233, that added together give a palindrome (45354).

The spelling of 312142233 in words is "three hundred twelve million, one hundred forty-two thousand, two hundred thirty-three".