131331223101 has 24 divisors (see below), whose sum is σ = 190224230976. Its totient is φ = 80559248640.

The previous prime is 131331223091. The next prime is 131331223189. The reversal of 131331223101 is 101322133131.

It is a happy number.

It is not a de Polignac number, because 131331223101 - 2¹³ = 131331214909 is a prime.

It is a super-2 number, since 2×131331223101² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131331223601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 258780 + ... + 574133.

It is an arithmetic number, because the mean of its divisors is an integer number (7926009624).

Almost surely, 2^131331223101 is an apocalyptic number.

It is an amenable number.

131331223101 is a deficient number, since it is larger than the sum of its proper divisors (58893007875).

131331223101 is a wasteful number, since it uses less digits than its factorization.

131331223101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833253 (or 833240 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 131331223101 its reverse (101322133131), we get a palindrome (232653356232).

The spelling of 131331223101 in words is "one hundred thirty-one billion, three hundred thirty-one million, two hundred twenty-three thousand, one hundred one".