312310122 has 8 divisors (see below), whose sum is σ = 624620256. Its totient is φ = 104103372.

The previous prime is 312310121. The next prime is 312310139. The reversal of 312310122 is 221013213.

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

312310122 is an admirable number.

It is a super-2 number, since 2×312310122² = 195075224607309768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (312310121) 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, 26025838 + ... + 26025849.

It is an arithmetic number, because the mean of its divisors is an integer number (78077532).

Almost surely, 2^312310122 is an apocalyptic number.

312310122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312310122 is a wasteful number, since it uses less digits than its factorization.

312310122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52051692.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 312310122 is about 17672.2981527587. The cubic root of 312310122 is about 678.4669341187.

Adding to 312310122 its reverse (221013213), we get a palindrome (533323335).

The spelling of 312310122 in words is "three hundred twelve million, three hundred ten thousand, one hundred twenty-two".