122030331231 has 4 divisors (see below), whose sum is σ = 162707108312. Its totient is φ = 81353554152.

The previous prime is 122030331221. The next prime is 122030331233. The reversal of 122030331231 is 132133030221.

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

It is not a de Polignac number, because 122030331231 - 2⁷ = 122030331103 is a prime.

It is a super-2 number, since 2×122030331231² (a number of 23 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 = 122030331198 and 122030331207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122030331233) 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, 20338388536 + ... + 20338388541.

It is an arithmetic number, because the mean of its divisors is an integer number (40676777078).

Almost surely, 2^122030331231 is an apocalyptic number.

122030331231 is a deficient number, since it is larger than the sum of its proper divisors (40676777081).

122030331231 is an equidigital number, since it uses as much as digits as its factorization.

122030331231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40676777080.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 122030331231 its reverse (132133030221), we get a palindrome (254163361452).

The spelling of 122030331231 in words is "one hundred twenty-two billion, thirty million, three hundred thirty-one thousand, two hundred thirty-one".