31142414 has 16 divisors (see below), whose sum is σ = 50319360. Its totient is φ = 14413080.

The previous prime is 31142413. The next prime is 31142431. The reversal of 31142414 is 41424113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31142413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9494 + ... + 12345.

It is an arithmetic number, because the mean of its divisors is an integer number (3144960).

Almost surely, 2^31142414 is an apocalyptic number.

31142414 is a deficient number, since it is larger than the sum of its proper divisors (19176946).

31142414 is a wasteful number, since it uses less digits than its factorization.

31142414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21895.

The product of its digits is 384, while the sum is 20.

The square root of 31142414 is about 5580.5388628698. The cubic root of 31142414 is about 314.6183805560.

Adding to 31142414 its reverse (41424113), we get a palindrome (72566527).

The spelling of 31142414 in words is "thirty-one million, one hundred forty-two thousand, four hundred fourteen".