3131135 has 16 divisors (see below), whose sum is σ = 4332096. Its totient is φ = 2128128.

The previous prime is 3131123. The next prime is 3131137. The reversal of 3131135 is 5311313.

It is a cyclic number.

It is not a de Polignac number, because 3131135 - 2¹⁰ = 3130111 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 (3131137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4469 + ... + 5121.

It is an arithmetic number, because the mean of its divisors is an integer number (270756).

Almost surely, 2^3131135 is an apocalyptic number.

3131135 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3131135 is a deficient number, since it is larger than the sum of its proper divisors (1200961).

3131135 is a wasteful number, since it uses less digits than its factorization.

3131135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802.

The product of its digits is 135, while the sum is 17.

The square root of 3131135 is about 1769.5013421865. The cubic root of 3131135 is about 146.2964982303.

Adding to 3131135 its reverse (5311313), we get a palindrome (8442448).

It can be divided in two parts, 313113 and 5, that multiplied together give a triangular number (1565565 = T₁₇₆₉).

The spelling of 3131135 in words is "three million, one hundred thirty-one thousand, one hundred thirty-five".