122030431231 has 4 divisors (see below), whose sum is σ = 125328551032. Its totient is φ = 118732311432.

The previous prime is 122030431219. The next prime is 122030431261. The reversal of 122030431231 is 132134030221.

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 122030431231 - 2¹⁵ = 122030398463 is a prime.

It is a super-2 number, since 2×122030431231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122030431261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1649059845 + ... + 1649059918.

It is an arithmetic number, because the mean of its divisors is an integer number (31332137758).

Almost surely, 2^122030431231 is an apocalyptic number.

122030431231 is a deficient number, since it is larger than the sum of its proper divisors (3298119801).

122030431231 is an equidigital number, since it uses as much as digits as its factorization.

122030431231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3298119800.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 122030431231 its reverse (132134030221), we get a palindrome (254164461452).

The spelling of 122030431231 in words is "one hundred twenty-two billion, thirty million, four hundred thirty-one thousand, two hundred thirty-one".