312302113203 has 4 divisors (see below), whose sum is σ = 416402817608. Its totient is φ = 208201408800.

The previous prime is 312302113183. The next prime is 312302113219. The reversal of 312302113203 is 302311203213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302311203213 = 3 ⋅100770401071.

It is not a de Polignac number, because 312302113203 - 2⁹ = 312302112691 is a prime.

It is a super-2 number, since 2×312302113203² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 312302113203.

It is not an unprimeable number, because it can be changed into a prime (312302113283) 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 3 ways as a sum of consecutive naturals, for example, 52050352198 + ... + 52050352203.

It is an arithmetic number, because the mean of its divisors is an integer number (104100704402).

Almost surely, 2^312302113203 is an apocalyptic number.

312302113203 is a deficient number, since it is larger than the sum of its proper divisors (104100704405).

312302113203 is a wasteful number, since it uses less digits than its factorization.

312302113203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104100704404.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 312302113203 its reverse (302311203213), we get a palindrome (614613316416).

The spelling of 312302113203 in words is "three hundred twelve billion, three hundred two million, one hundred thirteen thousand, two hundred three".