122131031 has 8 divisors (see below), whose sum is σ = 140246400. Its totient is φ = 105184440.

The previous prime is 122131021. The next prime is 122131039. The reversal of 122131031 is 130131221.

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 122131031 - 2¹⁴ = 122114647 is a prime.

It is a super-2 number, since 2×122131031² = 29831977466245922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122130997 and 122131015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122131039) 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, 291971 + ... + 292388.

It is an arithmetic number, because the mean of its divisors is an integer number (17530800).

Almost surely, 2^122131031 is an apocalyptic number.

122131031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122131031 is a deficient number, since it is larger than the sum of its proper divisors (18115369).

122131031 is a wasteful number, since it uses less digits than its factorization.

122131031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584389.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 122131031 is about 11051.2909200690. The cubic root of 122131031 is about 496.1450633081.

Adding to 122131031 its reverse (130131221), we get a palindrome (252262252).

The spelling of 122131031 in words is "one hundred twenty-two million, one hundred thirty-one thousand, thirty-one".