312422331031 has 4 divisors (see below), whose sum is σ = 312429606064. Its totient is φ = 312415056000.

The previous prime is 312422331017. The next prime is 312422331037. The reversal of 312422331031 is 130133224213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130133224213 = 137 ⋅949877549.

It is a cyclic number.

It is not a de Polignac number, because 312422331031 - 2⁷ = 312422330903 is a prime.

It is a super-2 number, since 2×312422331031² (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 = 312422330987 and 312422331005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312422331037) 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, 3572715 + ... + 3659116.

It is an arithmetic number, because the mean of its divisors is an integer number (78107401516).

Almost surely, 2^312422331031 is an apocalyptic number.

312422331031 is a deficient number, since it is larger than the sum of its proper divisors (7275033).

312422331031 is an equidigital number, since it uses as much as digits as its factorization.

312422331031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7275032.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 312422331031 its reverse (130133224213), we get a palindrome (442555555244).

The spelling of 312422331031 in words is "three hundred twelve billion, four hundred twenty-two million, three hundred thirty-one thousand, thirty-one".