131321302101 has 48 divisors (see below), whose sum is σ = 221931627840. Its totient is φ = 73977096960.

The previous prime is 131321302087. The next prime is 131321302183. The reversal of 131321302101 is 101203123131.

131321302101 is a `hidden beast` number, since 1 + 31 + 321 + 302 + 10 + 1 = 666.

It is not a de Polignac number, because 131321302101 - 2⁶ = 131321302037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131321302001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 558936 + ... + 758321.

It is an arithmetic number, because the mean of its divisors is an integer number (4623575580).

Almost surely, 2^131321302101 is an apocalyptic number.

131321302101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

131321302101 is a deficient number, since it is larger than the sum of its proper divisors (90610325739).

131321302101 is a wasteful number, since it uses less digits than its factorization.

131321302101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317346 (or 1317343 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 131321302101 its reverse (101203123131), we get a palindrome (232524425232).

The spelling of 131321302101 in words is "one hundred thirty-one billion, three hundred twenty-one million, three hundred two thousand, one hundred one".