312222301331 has 8 divisors (see below), whose sum is σ = 315203106240. Its totient is φ = 309242660328.

The previous prime is 312222301297. The next prime is 312222301411. The reversal of 312222301331 is 133103222213.

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

It is a cyclic number.

It is not a de Polignac number, because 312222301331 - 2²⁶ = 312155192467 is a prime.

It is a super-2 number, since 2×312222301331² (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 = 312222301297 and 312222301306.

It is not an unprimeable number, because it can be changed into a prime (312222301931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252920 + ... + 829706.

It is an arithmetic number, because the mean of its divisors is an integer number (39400388280).

Almost surely, 2^312222301331 is an apocalyptic number.

312222301331 is a deficient number, since it is larger than the sum of its proper divisors (2980804909).

312222301331 is a wasteful number, since it uses less digits than its factorization.

312222301331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581953.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 312222301331 its reverse (133103222213), we get a palindrome (445325523544).

The spelling of 312222301331 in words is "three hundred twelve billion, two hundred twenty-two million, three hundred one thousand, three hundred thirty-one".