122031400231 has 8 divisors (see below), whose sum is σ = 131450286240. Its totient is φ = 112617064992.

The previous prime is 122031400229. The next prime is 122031400291. The reversal of 122031400231 is 132004130221.

It is a happy number.

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 122031400231 - 2¹ = 122031400229 is a prime.

It is a super-2 number, since 2×122031400231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122031400199 and 122031400208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122031400201) 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, 1081891 + ... + 1189348.

It is an arithmetic number, because the mean of its divisors is an integer number (16431285780).

Almost surely, 2^122031400231 is an apocalyptic number.

122031400231 is a deficient number, since it is larger than the sum of its proper divisors (9418886009).

122031400231 is a wasteful number, since it uses less digits than its factorization.

122031400231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2275385.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 122031400231 its reverse (132004130221), we get a palindrome (254035530452).

The spelling of 122031400231 in words is "one hundred twenty-two billion, thirty-one million, four hundred thousand, two hundred thirty-one".