312140303331 has 8 divisors (see below), whose sum is σ = 416208789504. Its totient is φ = 208082676360.

The previous prime is 312140303311. The next prime is 312140303339. The reversal of 312140303331 is 133303041213.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 312140303331 - 2⁷ = 312140303203 is a prime.

It is a super-2 number, since 2×312140303331² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (312140303339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2647491 + ... + 2762876.

It is an arithmetic number, because the mean of its divisors is an integer number (52026098688).

Almost surely, 2^312140303331 is an apocalyptic number.

312140303331 is a deficient number, since it is larger than the sum of its proper divisors (104068486173).

312140303331 is a wasteful number, since it uses less digits than its factorization.

312140303331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5429601.

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

Adding to 312140303331 its reverse (133303041213), we get a palindrome (445443344544).

The spelling of 312140303331 in words is "three hundred twelve billion, one hundred forty million, three hundred three thousand, three hundred thirty-one".