103131331 has 8 divisors (see below), whose sum is σ = 105256800. Its totient is φ = 101027520.

The previous prime is 103131323. The next prime is 103131361. The reversal of 103131331 is 133131301.

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 103131331 - 2³ = 103131323 is a prime.

It is a super-2 number, since 2×103131331² = 21272142867663122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103131361) 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, 4386 + ... + 15016.

It is an arithmetic number, because the mean of its divisors is an integer number (13157100).

Almost surely, 2^103131331 is an apocalyptic number.

103131331 is a deficient number, since it is larger than the sum of its proper divisors (2125469).

103131331 is a wasteful number, since it uses less digits than its factorization.

103131331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10829.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 103131331 is about 10155.3597179027. The cubic root of 103131331 is about 468.9539600470.

Adding to 103131331 its reverse (133131301), we get a palindrome (236262632).

The spelling of 103131331 in words is "one hundred three million, one hundred thirty-one thousand, three hundred thirty-one".