131024471 has 4 divisors (see below), whose sum is σ = 131980992. Its totient is φ = 130067952.

The previous prime is 131024461. The next prime is 131024473. The reversal of 131024471 is 174420131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 174420131 = 2707 ⋅64433.

It is a cyclic number.

It is not a de Polignac number, because 131024471 - 2²² = 126830167 is a prime.

It is a super-3 number, since 3×131024471³ (a number of 25 digits) contains 333 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 (131024473) 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 3 ways as a sum of consecutive naturals, for example, 478055 + ... + 478328.

It is an arithmetic number, because the mean of its divisors is an integer number (32995248).

Almost surely, 2^131024471 is an apocalyptic number.

131024471 is a deficient number, since it is larger than the sum of its proper divisors (956521).

131024471 is an equidigital number, since it uses as much as digits as its factorization.

131024471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956520.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 131024471 is about 11446.5921129391. The cubic root of 131024471 is about 507.9069298053.

The spelling of 131024471 in words is "one hundred thirty-one million, twenty-four thousand, four hundred seventy-one".