123101013131 has 8 divisors (see below), whose sum is σ = 123192721344. Its totient is φ = 123009344640.

The previous prime is 123101013127. The next prime is 123101013157. The reversal of 123101013131 is 131310101321.

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 123101013131 - 2² = 123101013127 is a prime.

It is a super-2 number, since 2×123101013131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123101013181) by changing a digit.

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, 8847326 + ... + 8861228.

It is an arithmetic number, because the mean of its divisors is an integer number (15399090168).

Almost surely, 2^123101013131 is an apocalyptic number.

123101013131 is a deficient number, since it is larger than the sum of its proper divisors (91708213).

123101013131 is a wasteful number, since it uses less digits than its factorization.

123101013131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19861.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 123101013131 its reverse (131310101321), we get a palindrome (254411114452).

The spelling of 123101013131 in words is "one hundred twenty-three billion, one hundred one million, thirteen thousand, one hundred thirty-one".