13032331 has 4 divisors (see below), whose sum is σ = 14034832. Its totient is φ = 12029832.

The previous prime is 13032317. The next prime is 13032337. The reversal of 13032331 is 13323031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13323031 = 2143 ⋅6217.

It is a cyclic number.

It is not a de Polignac number, because 13032331 - 2¹⁵ = 12999563 is a prime.

It is a super-2 number, since 2×13032331² = 339683302587122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13032337) 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, 501231 + ... + 501256.

It is an arithmetic number, because the mean of its divisors is an integer number (3508708).

Almost surely, 2^13032331 is an apocalyptic number.

13032331 is a deficient number, since it is larger than the sum of its proper divisors (1002501).

13032331 is a wasteful number, since it uses less digits than its factorization.

13032331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002500.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 13032331 is about 3610.0319943181. The cubic root of 13032331 is about 235.3282330472.

Adding to 13032331 its reverse (13323031), we get a palindrome (26355362).

The spelling of 13032331 in words is "thirteen million, thirty-two thousand, three hundred thirty-one".