131123313022111 has 8 divisors (see below), whose sum is σ = 136883893220064. Its totient is φ = 125367696706560.

The previous prime is 131123313022109. The next prime is 131123313022129. The reversal of 131123313022111 is 111220313321131.

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 131123313022111 - 2¹ = 131123313022109 is a prime.

It is a super-3 number, since 3×131123313022111³ (a number of 43 digits) contains 333 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 (131123313002111) 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, 1240916610 + ... + 1241022271.

It is an arithmetic number, because the mean of its divisors is an integer number (17110486652508).

Almost surely, 2^{131123313022111} is an apocalyptic number.

131123313022111 is a deficient number, since it is larger than the sum of its proper divisors (5760580197953).

131123313022111 is a wasteful number, since it uses less digits than its factorization.

131123313022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2481941201.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 131123313022111 its reverse (111220313321131), we get a palindrome (242343626343242).

The spelling of 131123313022111 in words is "one hundred thirty-one trillion, one hundred twenty-three billion, three hundred thirteen million, twenty-two thousand, one hundred eleven".