123131101330 has 16 divisors (see below), whose sum is σ = 222136297344. Its totient is φ = 49141259440.

The previous prime is 123131101241. The next prime is 123131101409. The reversal of 123131101330 is 33101131321.

It is a super-2 number, since 2×123131101330² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123131101298 and 123131101307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13892986 + ... + 13901845.

It is an arithmetic number, because the mean of its divisors is an integer number (13883518584).

Almost surely, 2^123131101330 is an apocalyptic number.

123131101330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123131101330 is a deficient number, since it is larger than the sum of its proper divisors (99005196014).

123131101330 is a wasteful number, since it uses less digits than its factorization.

123131101330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27795281.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 123131101330 its reverse (33101131321), we get a palindrome (156232232651).

The spelling of 123131101330 in words is "one hundred twenty-three billion, one hundred thirty-one million, one hundred one thousand, three hundred thirty".