131501453 has 4 divisors (see below), whose sum is σ = 131557020. Its totient is φ = 131445888.

The previous prime is 131501437. The next prime is 131501459. The reversal of 131501453 is 354105131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 354105131 = 271 ⋅1306661.

It can be written as a sum of positive squares in 2 ways, for example, as 33154564 + 98346889 = 5758^2 + 9917^2 .

It is a cyclic number.

It is not a de Polignac number, because 131501453 - 2⁴ = 131501437 is a prime.

It is a super-2 number, since 2×131501453² = 34585264282222418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131501459) 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, 24068 + ... + 29021.

It is an arithmetic number, because the mean of its divisors is an integer number (32889255).

Almost surely, 2^131501453 is an apocalyptic number.

It is an amenable number.

131501453 is a deficient number, since it is larger than the sum of its proper divisors (55567).

131501453 is an equidigital number, since it uses as much as digits as its factorization.

131501453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55566.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 131501453 is about 11467.4082948154. The cubic root of 131501453 is about 508.5225122145.

Adding to 131501453 its reverse (354105131), we get a palindrome (485606584).

The spelling of 131501453 in words is "one hundred thirty-one million, five hundred one thousand, four hundred fifty-three".