131241101 has 4 divisors (see below), whose sum is σ = 131617500. Its totient is φ = 130864704.

The previous prime is 131241053. The next prime is 131241107. The reversal of 131241101 is 101142131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 101142131 = 1031 ⋅98101.

It can be written as a sum of positive squares in 2 ways, for example, as 64818601 + 66422500 = 8051^2 + 8150^2 .

It is a cyclic number.

It is not a de Polignac number, because 131241101 - 2¹⁸ = 130978957 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 (131241107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187676 + ... + 188373.

It is an arithmetic number, because the mean of its divisors is an integer number (32904375).

Almost surely, 2^131241101 is an apocalyptic number.

It is an amenable number.

131241101 is a deficient number, since it is larger than the sum of its proper divisors (376399).

131241101 is an equidigital number, since it uses as much as digits as its factorization.

131241101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376398.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 131241101 is about 11456.0508466050. The cubic root of 131241101 is about 508.1866925463.

Adding to 131241101 its reverse (101142131), we get a palindrome (232383232).

The spelling of 131241101 in words is "one hundred thirty-one million, two hundred forty-one thousand, one hundred one".