123031311311101 has 8 divisors (see below), whose sum is σ = 124054621203744. Its totient is φ = 122011276011120.

The previous prime is 123031311311099. The next prime is 123031311311123. The reversal of 123031311311101 is 101113113130321.

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 123031311311101 - 2¹ = 123031311311099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123031311411101) 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, 818572711 + ... + 818722996.

It is an arithmetic number, because the mean of its divisors is an integer number (15506827650468).

Almost surely, 2^{123031311311101} is an apocalyptic number.

It is an amenable number.

123031311311101 is a deficient number, since it is larger than the sum of its proper divisors (1023309892643).

123031311311101 is a wasteful number, since it uses less digits than its factorization.

123031311311101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637296331.

The product of its (nonzero) digits is 162, while the sum is 22.

Adding to 123031311311101 its reverse (101113113130321), we get a palindrome (224144424441422).

The spelling of 123031311311101 in words is "one hundred twenty-three trillion, thirty-one billion, three hundred eleven million, three hundred eleven thousand, one hundred one".