122531532331 has 8 divisors (see below), whose sum is σ = 131963452544. Its totient is φ = 113100528960.

The previous prime is 122531532311. The next prime is 122531532359. The reversal of 122531532331 is 133235135221.

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 122531532331 - 2⁷ = 122531532203 is a prime.

It is a super-2 number, since 2×122531532331² (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 = 122531532293 and 122531532302.

It is not an unprimeable number, because it can be changed into a prime (122531532311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62086 + ... + 498916.

It is an arithmetic number, because the mean of its divisors is an integer number (16495431568).

Almost surely, 2^122531532331 is an apocalyptic number.

122531532331 is a deficient number, since it is larger than the sum of its proper divisors (9431920213).

122531532331 is a wasteful number, since it uses less digits than its factorization.

122531532331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458421.

The product of its digits is 16200, while the sum is 31.

Adding to 122531532331 its reverse (133235135221), we get a palindrome (255766667552).

The spelling of 122531532331 in words is "one hundred twenty-two billion, five hundred thirty-one million, five hundred thirty-two thousand, three hundred thirty-one".