131215467 has 16 divisors (see below), whose sum is σ = 180956160. Its totient is φ = 84487200.

The previous prime is 131215451. The next prime is 131215477. The reversal of 131215467 is 764512131.

It is not a de Polignac number, because 131215467 - 2⁴ = 131215451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131215477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60217 + ... + 62357.

It is an arithmetic number, because the mean of its divisors is an integer number (11309760).

Almost surely, 2^131215467 is an apocalyptic number.

131215467 is a deficient number, since it is larger than the sum of its proper divisors (49740693).

131215467 is a wasteful number, since it uses less digits than its factorization.

131215467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2834.

The product of its digits is 5040, while the sum is 30.

The square root of 131215467 is about 11454.9319945602. The cubic root of 131215467 is about 508.1536040657.

Adding to 131215467 its reverse (764512131), we get a palindrome (895727598).

The spelling of 131215467 in words is "one hundred thirty-one million, two hundred fifteen thousand, four hundred sixty-seven".