312232311206 has 12 divisors (see below), whose sum is σ = 475037847276. Its totient is φ = 153917331540.

The previous prime is 312232311191. The next prime is 312232311221. The reversal of 312232311206 is 602113232213.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (312232311191) and next prime (312232311221).

It is a super-2 number, since 2×312232311206² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15474560 + ... + 15494723.

It is an arithmetic number, because the mean of its divisors is an integer number (39586487273).

Almost surely, 2^312232311206 is an apocalyptic number.

312232311206 is a deficient number, since it is larger than the sum of its proper divisors (162805536070).

312232311206 is an equidigital number, since it uses as much as digits as its factorization.

312232311206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30969427 (or 30969356 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 312232311206 its reverse (602113232213), we get a palindrome (914345543419).

The spelling of 312232311206 in words is "three hundred twelve billion, two hundred thirty-two million, three hundred eleven thousand, two hundred six".