312000303113 has 4 divisors (see below), whose sum is σ = 312001488768. Its totient is φ = 311999117460.

The previous prime is 312000303103. The next prime is 312000303127. The reversal of 312000303113 is 311303000213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312000303113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312000303091 and 312000303100.

It is not an unprimeable number, because it can be changed into a prime (312000303103) 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, 1493 + ... + 789938.

It is an arithmetic number, because the mean of its divisors is an integer number (78000372192).

Almost surely, 2^312000303113 is an apocalyptic number.

It is an amenable number.

312000303113 is a deficient number, since it is larger than the sum of its proper divisors (1185655).

312000303113 is an equidigital number, since it uses as much as digits as its factorization.

312000303113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185654.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 312000303113 its reverse (311303000213), we get a palindrome (623303303326).

The spelling of 312000303113 in words is "three hundred twelve billion, three hundred three thousand, one hundred thirteen".