3131430 has 16 divisors (see below), whose sum is σ = 7515504. Its totient is φ = 835040.

The previous prime is 3131419. The next prime is 3131431. The reversal of 3131430 is 341313.

3131430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52161 + ... + 52220.

It is an arithmetic number, because the mean of its divisors is an integer number (469719).

Almost surely, 2^3131430 is an apocalyptic number.

3131430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3131430 is an abundant number, since it is smaller than the sum of its proper divisors (4384074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3131430 is a wasteful number, since it uses less digits than its factorization.

3131430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104391.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 3131430 is about 1769.5846970405. The cubic root of 3131430 is about 146.3010925293.

Adding to 3131430 its reverse (341313), we get a palindrome (3472743).

The spelling of 3131430 in words is "three million, one hundred thirty-one thousand, four hundred thirty".