312103030231 has 8 divisors (see below), whose sum is σ = 314297178624. Its totient is φ = 309916514520.

The previous prime is 312103030223. The next prime is 312103030237. The reversal of 312103030231 is 132030301213.

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

It is a cyclic number.

It is not a de Polignac number, because 312103030231 - 2³ = 312103030223 is a prime.

It is a super-2 number, since 2×312103030231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312103030199 and 312103030208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312103030237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1826091 + ... + 1989676.

It is an arithmetic number, because the mean of its divisors is an integer number (39287147328).

Almost surely, 2^312103030231 is an apocalyptic number.

312103030231 is a deficient number, since it is larger than the sum of its proper divisors (2194148393).

312103030231 is a wasteful number, since it uses less digits than its factorization.

312103030231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3816341.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 312103030231 its reverse (132030301213), we get a palindrome (444133331444).

The spelling of 312103030231 in words is "three hundred twelve billion, one hundred three million, thirty thousand, two hundred thirty-one".