312230022222431 has 4 divisors (see below), whose sum is σ = 325805240579952. Its totient is φ = 298654803864912.

The previous prime is 312230022222407. The next prime is 312230022222451. The reversal of 312230022222431 is 134222220032213.

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

It is a cyclic number.

It is not a de Polignac number, because 312230022222431 - 2¹⁸ = 312230021960287 is a prime.

It is a super-2 number, since 2×312230022222431² (a number of 30 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 = 312230022222394 and 312230022222403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312230022222451) 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, 6787609178726 + ... + 6787609178771.

It is an arithmetic number, because the mean of its divisors is an integer number (81451310144988).

Almost surely, 2^{312230022222431} is an apocalyptic number.

312230022222431 is a deficient number, since it is larger than the sum of its proper divisors (13575218357521).

312230022222431 is a wasteful number, since it uses less digits than its factorization.

312230022222431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13575218357520.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 312230022222431 its reverse (134222220032213), we get a palindrome (446452242254644).

The spelling of 312230022222431 in words is "three hundred twelve trillion, two hundred thirty billion, twenty-two million, two hundred twenty-two thousand, four hundred thirty-one".