312303030231 has 4 divisors (see below), whose sum is σ = 416404040312. Its totient is φ = 208202020152.

The previous prime is 312303030223. The next prime is 312303030253. The reversal of 312303030231 is 132030303213.

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

It is not a de Polignac number, because 312303030231 - 2³ = 312303030223 is a prime.

It is a super-2 number, since 2×312303030231² (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 = 312303030198 and 312303030207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312303030271) 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, 52050505036 + ... + 52050505041.

It is an arithmetic number, because the mean of its divisors is an integer number (104101010078).

Almost surely, 2^312303030231 is an apocalyptic number.

312303030231 is a deficient number, since it is larger than the sum of its proper divisors (104101010081).

312303030231 is a wasteful number, since it uses less digits than its factorization.

312303030231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104101010080.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 312303030231 its reverse (132030303213), we get a palindrome (444333333444).

The spelling of 312303030231 in words is "three hundred twelve billion, three hundred three million, thirty thousand, two hundred thirty-one".