31418104 has 16 divisors (see below), whose sum is σ = 58974120. Its totient is φ = 15691680.

The previous prime is 31418099. The next prime is 31418131. The reversal of 31418104 is 40181413.

It is a super-4 number, since 4×31418104⁴ (a number of 31 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8734 + ... + 11794.

Almost surely, 2^31418104 is an apocalyptic number.

It is an amenable number.

31418104 is a deficient number, since it is larger than the sum of its proper divisors (27556016).

31418104 is a wasteful number, since it uses less digits than its factorization.

31418104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4350 (or 4346 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 31418104 is about 5605.1854563431. The cubic root of 31418104 is about 315.5440468005.

Adding to 31418104 its reverse (40181413), we get a palindrome (71599517).

The spelling of 31418104 in words is "thirty-one million, four hundred eighteen thousand, one hundred four".