3135381 has 8 divisors (see below), whose sum is σ = 4227840. Its totient is φ = 2066592.

The previous prime is 3135373. The next prime is 3135389. The reversal of 3135381 is 1835313.

It is an interprime number because it is at equal distance from previous prime (3135373) and next prime (3135389).

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

It is not a de Polignac number, because 3135381 - 2³ = 3135373 is a prime.

It is a super-2 number, since 2×3135381² = 19661228030322, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3135389) 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, 5605 + ... + 6138.

It is an arithmetic number, because the mean of its divisors is an integer number (528480).

Almost surely, 2^3135381 is an apocalyptic number.

It is an amenable number.

3135381 is a deficient number, since it is larger than the sum of its proper divisors (1092459).

3135381 is a wasteful number, since it uses less digits than its factorization.

3135381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11835.

The product of its digits is 1080, while the sum is 24.

The square root of 3135381 is about 1770.7007087591. The cubic root of 3135381 is about 146.3625971965.

The spelling of 3135381 in words is "three million, one hundred thirty-five thousand, three hundred eighty-one".