312331230210103 has 4 divisors (see below), whose sum is σ = 336356709457048. Its totient is φ = 288305750963160.

The previous prime is 312331230210091. The next prime is 312331230210137. The reversal of 312331230210103 is 301012032133213.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312331230210103 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 (312331230210173) 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, 12012739623453 + ... + 12012739623478.

It is an arithmetic number, because the mean of its divisors is an integer number (84089177364262).

Almost surely, 2^{312331230210103} is an apocalyptic number.

312331230210103 is a deficient number, since it is larger than the sum of its proper divisors (24025479246945).

312331230210103 is a wasteful number, since it uses less digits than its factorization.

312331230210103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24025479246944.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 312331230210103 its reverse (301012032133213), we get a palindrome (613343262343316).

The spelling of 312331230210103 in words is "three hundred twelve trillion, three hundred thirty-one billion, two hundred thirty million, two hundred ten thousand, one hundred three".