3031402 has 8 divisors (see below), whose sum is σ = 4960512. Its totient is φ = 1377900.

The previous prime is 3031387. The next prime is 3031403. The reversal of 3031402 is 2041303.

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

It is not an unprimeable number, because it can be changed into a prime (3031403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68874 + ... + 68917.

It is an arithmetic number, because the mean of its divisors is an integer number (620064).

Almost surely, 2^3031402 is an apocalyptic number.

3031402 is a deficient number, since it is larger than the sum of its proper divisors (1929110).

3031402 is a wasteful number, since it uses less digits than its factorization.

3031402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137804.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 3031402 is about 1741.0921859568. The cubic root of 3031402 is about 144.7264282906.

Adding to 3031402 its reverse (2041303), we get a palindrome (5072705).

Subtracting from 3031402 its reverse (2041303), we obtain a palindrome (990099).

The spelling of 3031402 in words is "three million, thirty-one thousand, four hundred two".