32131497 has 4 divisors (see below), whose sum is σ = 42842000. Its totient is φ = 21420996.

The previous prime is 32131471. The next prime is 32131511. The reversal of 32131497 is 79413123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 32131497 - 2⁷ = 32131369 is a prime.

It is a super-2 number, since 2×32131497² = 2064866198922018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32131427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5355247 + ... + 5355252.

It is an arithmetic number, because the mean of its divisors is an integer number (10710500).

Almost surely, 2^32131497 is an apocalyptic number.

It is an amenable number.

32131497 is a deficient number, since it is larger than the sum of its proper divisors (10710503).

32131497 is a wasteful number, since it uses less digits than its factorization.

32131497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10710502.

The product of its digits is 4536, while the sum is 30.

The square root of 32131497 is about 5668.4651361722. The cubic root of 32131497 is about 317.9144879049.

The spelling of 32131497 in words is "thirty-two million, one hundred thirty-one thousand, four hundred ninety-seven".