103321131 has 16 divisors (see below), whose sum is σ = 144781824. Its totient is φ = 65457504.

The previous prime is 103321111. The next prime is 103321133. The reversal of 103321131 is 131123301.

It is not a de Polignac number, because 103321131 - 2²² = 99126827 is a prime.

It is a super-2 number, since 2×103321131² = 21350512222238322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103321131.

It is not an unprimeable number, because it can be changed into a prime (103321133) 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, 6051 + ... + 15596.

It is an arithmetic number, because the mean of its divisors is an integer number (9048864).

Almost surely, 2^103321131 is an apocalyptic number.

103321131 is a deficient number, since it is larger than the sum of its proper divisors (41460693).

103321131 is a wasteful number, since it uses less digits than its factorization.

103321131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21730.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 103321131 is about 10164.7002415221. The cubic root of 103321131 is about 469.2414669706.

Adding to 103321131 its reverse (131123301), we get a palindrome (234444432).

The spelling of 103321131 in words is "one hundred three million, three hundred twenty-one thousand, one hundred thirty-one".