123130031101 has 8 divisors (see below), whose sum is σ = 153512766144. Its totient is φ = 95945478720.

The previous prime is 123130031093. The next prime is 123130031113. The reversal of 123130031101 is 101130031321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123130031101 - 2³ = 123130031093 is a prime.

It is a super-2 number, since 2×123130031101² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123130031201) 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, 799545580 + ... + 799545733.

It is an arithmetic number, because the mean of its divisors is an integer number (19189095768).

Almost surely, 2^123130031101 is an apocalyptic number.

123130031101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123130031101 is a deficient number, since it is larger than the sum of its proper divisors (30382735043).

123130031101 is a wasteful number, since it uses less digits than its factorization.

123130031101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599091331.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 123130031101 its reverse (101130031321), we get a palindrome (224260062422).

The spelling of 123130031101 in words is "one hundred twenty-three billion, one hundred thirty million, thirty-one thousand, one hundred one".