13210131 has 8 divisors (see below), whose sum is σ = 19214784. Its totient is φ = 8006120.

The previous prime is 13210129. The next prime is 13210151. The reversal of 13210131 is 13101231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13210131 - 2¹ = 13210129 is a prime.

It is a super-2 number, since 2×13210131² = 349015122074322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13210121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200121 + ... + 200186.

It is an arithmetic number, because the mean of its divisors is an integer number (2401848).

Almost surely, 2^13210131 is an apocalyptic number.

13210131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13210131 is a deficient number, since it is larger than the sum of its proper divisors (6004653).

13210131 is a wasteful number, since it uses less digits than its factorization.

13210131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400321.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 13210131 is about 3634.5743904892. The cubic root of 13210131 is about 236.3935965295.

Adding to 13210131 its reverse (13101231), we get a palindrome (26311362).

Subtracting from 13210131 its reverse (13101231), we obtain a square (108900 = 330²).

The spelling of 13210131 in words is "thirteen million, two hundred ten thousand, one hundred thirty-one".