131022101 has 8 divisors (see below), whose sum is σ = 153392064. Its totient is φ = 109565280.

The previous prime is 131022097. The next prime is 131022127. The reversal of 131022101 is 101220131.

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 131022101 - 2² = 131022097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131022601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227975 + ... + 228548.

It is an arithmetic number, because the mean of its divisors is an integer number (19174008).

Almost surely, 2^131022101 is an apocalyptic number.

It is an amenable number.

131022101 is a deficient number, since it is larger than the sum of its proper divisors (22369963).

131022101 is an equidigital number, since it uses as much as digits as its factorization.

131022101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456571.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 131022101 is about 11446.4885882090. The cubic root of 131022101 is about 507.9038674087.

Adding to 131022101 its reverse (101220131), we get a palindrome (232242232).

The spelling of 131022101 in words is "one hundred thirty-one million, twenty-two thousand, one hundred one".