131210101 has 12 divisors (see below), whose sum is σ = 150496416. Its totient is φ = 114093320.

The previous prime is 131210087. The next prime is 131210111. The reversal of 131210101 is 101012131.

It is not a de Polignac number, because 131210101 - 2¹⁷ = 131079029 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 (131210111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20791 + ... + 26356.

It is an arithmetic number, because the mean of its divisors is an integer number (12541368).

Almost surely, 2^131210101 is an apocalyptic number.

131210101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

131210101 is a deficient number, since it is larger than the sum of its proper divisors (19286315).

131210101 is a wasteful number, since it uses less digits than its factorization.

131210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47192 (or 47181 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 131210101 is about 11454.6977699108. The cubic root of 131210101 is about 508.1466770637.

Adding to 131210101 its reverse (101012131), we get a palindrome (232222232).

The spelling of 131210101 in words is "one hundred thirty-one million, two hundred ten thousand, one hundred one".