32131013 has 4 divisors (see below), whose sum is σ = 32142528. Its totient is φ = 32119500.

The previous prime is 32131007. The next prime is 32131027. The reversal of 32131013 is 31013123.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 31013123 = 419 ⋅74017.

It is a cyclic number.

It is not a de Polignac number, because 32131013 - 2⁶ = 32130949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32131063) 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, 1370 + ... + 8132.

It is an arithmetic number, because the mean of its divisors is an integer number (8035632).

Almost surely, 2^32131013 is an apocalyptic number.

It is an amenable number.

32131013 is a deficient number, since it is larger than the sum of its proper divisors (11515).

32131013 is an equidigital number, since it uses as much as digits as its factorization.

32131013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11514.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 32131013 is about 5668.4224436787. The cubic root of 32131013 is about 317.9128916374.

Adding to 32131013 its reverse (31013123), we get a palindrome (63144136).

The spelling of 32131013 in words is "thirty-two million, one hundred thirty-one thousand, thirteen".