3131101 has 8 divisors (see below), whose sum is σ = 3274200. Its totient is φ = 2990400.

The previous prime is 3131099. The next prime is 3131113. The reversal of 3131101 is 1011313.

It can be written as a sum of positive squares in 4 ways, for example, as 1243225 + 1887876 = 1115^2 + 1374^2 .

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 3131101 - 2¹ = 3131099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131501) 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, 2395 + ... + 3463.

It is an arithmetic number, because the mean of its divisors is an integer number (409275).

Almost surely, 2^3131101 is an apocalyptic number.

It is an amenable number.

3131101 is a deficient number, since it is larger than the sum of its proper divisors (143099).

3131101 is a wasteful number, since it uses less digits than its factorization.

3131101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199.

The product of its (nonzero) digits is 9, while the sum is 10.

The square root of 3131101 is about 1769.4917349341. The cubic root of 3131101 is about 146.2959686993.

Adding to 3131101 its reverse (1011313), we get a palindrome (4142414).

The spelling of 3131101 in words is "three million, one hundred thirty-one thousand, one hundred one".