122312223300431 has 4 divisors (see below), whose sum is σ = 122664708094152. Its totient is φ = 121959738506712.

The previous prime is 122312223300409. The next prime is 122312223300479. The reversal of 122312223300431 is 134003322213221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122312223300431 is a prime.

It is a super-2 number, since 2×122312223300431² (a number of 29 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 = 122312223300394 and 122312223300403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122312223300401) 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, 176242396340 + ... + 176242397033.

It is an arithmetic number, because the mean of its divisors is an integer number (30666177023538).

Almost surely, 2^{122312223300431} is an apocalyptic number.

122312223300431 is a deficient number, since it is larger than the sum of its proper divisors (352484793721).

122312223300431 is an equidigital number, since it uses as much as digits as its factorization.

122312223300431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352484793720.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 122312223300431 its reverse (134003322213221), we get a palindrome (256315545513652).

The spelling of 122312223300431 in words is "one hundred twenty-two trillion, three hundred twelve billion, two hundred twenty-three million, three hundred thousand, four hundred thirty-one".