312312210131303 has 4 divisors (see below), whose sum is σ = 312312336170520. Its totient is φ = 312312084092088.

The previous prime is 312312210131249. The next prime is 312312210131309. The reversal of 312312210131303 is 303131012213213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 312312210131303 - 2⁶ = 312312210131239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312312210131309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59226668 + ... + 64283921.

It is an arithmetic number, because the mean of its divisors is an integer number (78078084042630).

Almost surely, 2^{312312210131303} is an apocalyptic number.

312312210131303 is a deficient number, since it is larger than the sum of its proper divisors (126039217).

312312210131303 is a wasteful number, since it uses less digits than its factorization.

312312210131303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126039216.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 312312210131303 its reverse (303131012213213), we get a palindrome (615443222344516).

The spelling of 312312210131303 in words is "three hundred twelve trillion, three hundred twelve billion, two hundred ten million, one hundred thirty-one thousand, three hundred three".