312132203331 has 16 divisors (see below), whose sum is σ = 474553939104. Its totient is φ = 180782452224.

The previous prime is 312132203321. The next prime is 312132203333. The reversal of 312132203331 is 133302231213.

It is not a de Polignac number, because 312132203331 - 2¹³ = 312132195139 is a prime.

It is a super-2 number, since 2×312132203331² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (312132203333) 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, 235393156 + ... + 235394481.

It is an arithmetic number, because the mean of its divisors is an integer number (29659621194).

Almost surely, 2^312132203331 is an apocalyptic number.

312132203331 is a deficient number, since it is larger than the sum of its proper divisors (162421735773).

312132203331 is a wasteful number, since it uses less digits than its factorization.

312132203331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470787670.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 312132203331 its reverse (133302231213), we get a palindrome (445434434544).

The spelling of 312132203331 in words is "three hundred twelve billion, one hundred thirty-two million, two hundred three thousand, three hundred thirty-one".