31413404 has 12 divisors (see below), whose sum is σ = 59971128. Its totient is φ = 14278800.

The previous prime is 31413401. The next prime is 31413427. The reversal of 31413404 is 40431413.

It is a happy number.

31413404 is nontrivially palindromic in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31413401) 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, 356927 + ... + 357014.

It is an arithmetic number, because the mean of its divisors is an integer number (4997594).

Almost surely, 2^31413404 is an apocalyptic number.

It is an amenable number.

31413404 is a deficient number, since it is larger than the sum of its proper divisors (28557724).

31413404 is a wasteful number, since it uses less digits than its factorization.

31413404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713956 (or 713954 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 31413404 is about 5604.7661860242. The cubic root of 31413404 is about 315.5283113827.

Adding to 31413404 its reverse (40431413), we get a palindrome (71844817).

Subtracting 31413404 from its reverse (40431413), we obtain a square (9018009 = 3003²).

The spelling of 31413404 in words is "thirty-one million, four hundred thirteen thousand, four hundred four".