131133301 has 4 divisors (see below), whose sum is σ = 141220492. Its totient is φ = 121046112.

The previous prime is 131133287. The next prime is 131133329. The reversal of 131133301 is 103331131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43692100 + 87441201 = 6610^2 + 9351^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131133301 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 (131133371) 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, 5043576 + ... + 5043601.

It is an arithmetic number, because the mean of its divisors is an integer number (35305123).

Almost surely, 2^131133301 is an apocalyptic number.

It is an amenable number.

131133301 is a deficient number, since it is larger than the sum of its proper divisors (10087191).

131133301 is a wasteful number, since it uses less digits than its factorization.

131133301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10087190.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 131133301 is about 11451.3449428441. The cubic root of 131133301 is about 508.0475147757.

Adding to 131133301 its reverse (103331131), we get a palindrome (234464432).

The spelling of 131133301 in words is "one hundred thirty-one million, one hundred thirty-three thousand, three hundred one".